20156805500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{719}}^1$

素因数の和:997

約数の個数: 192

約数和(自身を含む): 50193561600

約数和(自身を除く): 30036756100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 190, 227, 247, 250, 260, 325, 380, 454, 475, 494, 500, 650, 719, 908, 950, 988, 1135, 1235, 1300, 1438, 1625, 1900, 2270, 2375, 2470, 2876, 2951, 3250, 3595, 4313, 4540, 4750, 4940, 5675, 5902, 6175, 6500, 7190, 8626, 9347, 9500, 11350, 11804, 12350, 13661, 14380, 14755, 17252, 17975, 18694, 21565, 22700, 24700, 27322, 28375, 29510, 30875, 35950, 37388, 43130, 46735, 54644, 56069, 56750, 59020, 61750, 68305, 71900, 73775, 86260, 89875, 93470, 107825, 112138, 113500, 123500, 136610, 147550, 163213, 177593, 179750, 186940, 215650, 224276, 233675, 273220, 280345, 295100, 326426, 341525, 355186, 359500, 368875, 431300, 467350, 539125, 560690, 652852, 683050, 710372, 737750, 816065, 887965, 934700, 1078250, 1121380, 1168375, 1366100, 1401725, 1475500, 1632130, 1707625, 1775930, 2121769, 2156500, 2336750, 2803450, 3101047, 3264260, 3415250, 3551860, 4080325, 4243538, 4439825, 4673500, 5606900, 6202094, 6830500, 7008625, 8160650, 8487076, 8879650, 10608845, 12404188, 14017250, 15505235, 16321300, 17759300, 20401625, 21217690, 22199125, 28034500, 31010470, 40313611, 40803250, 42435380, 44398250, 53044225, 62020940, 77526175, 80627222, 81606500, 88796500, 106088450, 155052350, 161254444, 201568055, 212176900, 265221125, 310104700, 387630875, 403136110, 530442250, 775261750, 806272220, 1007840275, 1060884500, 1550523500, 2015680550, 4031361100, 5039201375, 10078402750, 20156805500]

約数ペア:

[(1, 20156805500), (2, 10078402750), (4, 5039201375), (5, 4031361100), (10, 2015680550), (13, 1550523500), (19, 1060884500), (20, 1007840275), (25, 806272220), (26, 775261750), (38, 530442250), (50, 403136110), (52, 387630875), (65, 310104700), (76, 265221125), (95, 212176900), (100, 201568055), (125, 161254444), (130, 155052350), (190, 106088450), (227, 88796500), (247, 81606500), (250, 80627222), (260, 77526175), (325, 62020940), (380, 53044225), (454, 44398250), (475, 42435380), (494, 40803250), (500, 40313611), (650, 31010470), (719, 28034500), (908, 22199125), (950, 21217690), (988, 20401625), (1135, 17759300), (1235, 16321300), (1300, 15505235), (1438, 14017250), (1625, 12404188), (1900, 10608845), (2270, 8879650), (2375, 8487076), (2470, 8160650), (2876, 7008625), (2951, 6830500), (3250, 6202094), (3595, 5606900), (4313, 4673500), (4540, 4439825), (4750, 4243538), (4940, 4080325), (5675, 3551860), (5902, 3415250), (6175, 3264260), (6500, 3101047), (7190, 2803450), (8626, 2336750), (9347, 2156500), (9500, 2121769), (11350, 1775930), (11804, 1707625), (12350, 1632130), (13661, 1475500), (14380, 1401725), (14755, 1366100), (17252, 1168375), (17975, 1121380), (18694, 1078250), (21565, 934700), (22700, 887965), (24700, 816065), (27322, 737750), (28375, 710372), (29510, 683050), (30875, 652852), (35950, 560690), (37388, 539125), (43130, 467350), (46735, 431300), (54644, 368875), (56069, 359500), (56750, 355186), (59020, 341525), (61750, 326426), (68305, 295100), (71900, 280345), (73775, 273220), (86260, 233675), (89875, 224276), (93470, 215650), (107825, 186940), (112138, 179750), (113500, 177593), (123500, 163213), (136610, 147550)]