20133647500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3785

約数の個数: 120

約数和(自身を含む): 46101242880

約数和(自身を除く): 25967595380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 125, 142, 155, 250, 284, 310, 355, 500, 620, 625, 710, 775, 1250, 1420, 1550, 1775, 2201, 2500, 3100, 3550, 3659, 3875, 4402, 7100, 7318, 7750, 8804, 8875, 11005, 14636, 15500, 17750, 18295, 19375, 22010, 35500, 36590, 38750, 44020, 44375, 55025, 73180, 77500, 88750, 91475, 110050, 113429, 177500, 182950, 220100, 226858, 259789, 275125, 365900, 453716, 457375, 519578, 550250, 567145, 914750, 1039156, 1100500, 1134290, 1298945, 1375625, 1829500, 2268580, 2286875, 2597890, 2751250, 2835725, 4573750, 5195780, 5502500, 5671450, 6494725, 8053459, 9147500, 11342900, 12989450, 14178625, 16106918, 25978900, 28357250, 32213836, 32473625, 40267295, 56714500, 64947250, 70893125, 80534590, 129894500, 141786250, 161069180, 162368125, 201336475, 283572500, 324736250, 402672950, 649472500, 805345900, 1006682375, 2013364750, 4026729500, 5033411875, 10066823750, 20133647500]

約数ペア:

[(1, 20133647500), (2, 10066823750), (4, 5033411875), (5, 4026729500), (10, 2013364750), (20, 1006682375), (25, 805345900), (31, 649472500), (50, 402672950), (62, 324736250), (71, 283572500), (100, 201336475), (124, 162368125), (125, 161069180), (142, 141786250), (155, 129894500), (250, 80534590), (284, 70893125), (310, 64947250), (355, 56714500), (500, 40267295), (620, 32473625), (625, 32213836), (710, 28357250), (775, 25978900), (1250, 16106918), (1420, 14178625), (1550, 12989450), (1775, 11342900), (2201, 9147500), (2500, 8053459), (3100, 6494725), (3550, 5671450), (3659, 5502500), (3875, 5195780), (4402, 4573750), (7100, 2835725), (7318, 2751250), (7750, 2597890), (8804, 2286875), (8875, 2268580), (11005, 1829500), (14636, 1375625), (15500, 1298945), (17750, 1134290), (18295, 1100500), (19375, 1039156), (22010, 914750), (35500, 567145), (36590, 550250), (38750, 519578), (44020, 457375), (44375, 453716), (55025, 365900), (73180, 275125), (77500, 259789), (88750, 226858), (91475, 220100), (110050, 182950), (113429, 177500)]