20163956000

素因数分解:

$2^5\times 5^3\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:724

約数の個数: 192

約数和(自身を含む): 50820981120

約数和(自身を除く): 30657025120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 125, 160, 200, 212, 227, 250, 265, 400, 419, 424, 454, 500, 530, 800, 838, 848, 908, 1000, 1060, 1135, 1325, 1676, 1696, 1816, 2000, 2095, 2120, 2270, 2650, 3352, 3632, 4000, 4190, 4240, 4540, 5300, 5675, 6625, 6704, 7264, 8380, 8480, 9080, 10475, 10600, 11350, 12031, 13250, 13408, 16760, 18160, 20950, 21200, 22207, 22700, 24062, 26500, 28375, 33520, 36320, 41900, 42400, 44414, 45400, 48124, 52375, 53000, 56750, 60155, 67040, 83800, 88828, 90800, 95113, 96248, 104750, 106000, 111035, 113500, 120310, 167600, 177656, 181600, 190226, 192496, 209500, 212000, 222070, 227000, 240620, 300775, 335200, 355312, 380452, 384992, 419000, 444140, 454000, 475565, 481240, 555175, 601550, 710624, 760904, 838000, 888280, 908000, 951130, 962480, 1110350, 1203100, 1503875, 1521808, 1676000, 1776560, 1902260, 1924960, 2220700, 2377825, 2406200, 2775875, 3007750, 3043616, 3553120, 3804520, 4441400, 4755650, 4812400, 5040989, 5551750, 6015500, 7609040, 8882800, 9511300, 9624800, 10081978, 11103500, 11889125, 12031000, 15218080, 17765600, 19022600, 20163956, 22207000, 23778250, 24062000, 25204945, 38045200, 40327912, 44414000, 47556500, 48124000, 50409890, 76090400, 80655824, 88828000, 95113000, 100819780, 126024725, 161311648, 190226000, 201639560, 252049450, 380452000, 403279120, 504098900, 630123625, 806558240, 1008197800, 1260247250, 2016395600, 2520494500, 4032791200, 5040989000, 10081978000, 20163956000]

約数ペア:

[(1, 20163956000), (2, 10081978000), (4, 5040989000), (5, 4032791200), (8, 2520494500), (10, 2016395600), (16, 1260247250), (20, 1008197800), (25, 806558240), (32, 630123625), (40, 504098900), (50, 403279120), (53, 380452000), (80, 252049450), (100, 201639560), (106, 190226000), (125, 161311648), (160, 126024725), (200, 100819780), (212, 95113000), (227, 88828000), (250, 80655824), (265, 76090400), (400, 50409890), (419, 48124000), (424, 47556500), (454, 44414000), (500, 40327912), (530, 38045200), (800, 25204945), (838, 24062000), (848, 23778250), (908, 22207000), (1000, 20163956), (1060, 19022600), (1135, 17765600), (1325, 15218080), (1676, 12031000), (1696, 11889125), (1816, 11103500), (2000, 10081978), (2095, 9624800), (2120, 9511300), (2270, 8882800), (2650, 7609040), (3352, 6015500), (3632, 5551750), (4000, 5040989), (4190, 4812400), (4240, 4755650), (4540, 4441400), (5300, 3804520), (5675, 3553120), (6625, 3043616), (6704, 3007750), (7264, 2775875), (8380, 2406200), (8480, 2377825), (9080, 2220700), (10475, 1924960), (10600, 1902260), (11350, 1776560), (12031, 1676000), (13250, 1521808), (13408, 1503875), (16760, 1203100), (18160, 1110350), (20950, 962480), (21200, 951130), (22207, 908000), (22700, 888280), (24062, 838000), (26500, 760904), (28375, 710624), (33520, 601550), (36320, 555175), (41900, 481240), (42400, 475565), (44414, 454000), (45400, 444140), (48124, 419000), (52375, 384992), (53000, 380452), (56750, 355312), (60155, 335200), (67040, 300775), (83800, 240620), (88828, 227000), (90800, 222070), (95113, 212000), (96248, 209500), (104750, 192496), (106000, 190226), (111035, 181600), (113500, 177656), (120310, 167600)]