20164272400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1231}}^1\times {\mathrm{1321}}^1$

素因数の和:2601

約数の個数: 120

約数和(自身を含む): 50085905408

約数和(自身を除く): 29921633008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1231, 1240, 1321, 1550, 2462, 2480, 2642, 3100, 4924, 5284, 6155, 6200, 6605, 9848, 10568, 12310, 12400, 13210, 19696, 21136, 24620, 26420, 30775, 33025, 38161, 40951, 49240, 52840, 61550, 66050, 76322, 81902, 98480, 105680, 123100, 132100, 152644, 163804, 190805, 204755, 246200, 264200, 305288, 327608, 381610, 409510, 492400, 528400, 610576, 655216, 763220, 819020, 954025, 1023775, 1526440, 1626151, 1638040, 1908050, 2047550, 3052880, 3252302, 3276080, 3816100, 4095100, 6504604, 7632200, 8130755, 8190200, 13009208, 15264400, 16261510, 16380400, 26018416, 32523020, 40653775, 50410681, 65046040, 81307550, 100821362, 130092080, 162615100, 201642724, 252053405, 325230200, 403285448, 504106810, 650460400, 806570896, 1008213620, 1260267025, 2016427240, 2520534050, 4032854480, 5041068100, 10082136200, 20164272400]

約数ペア:

[(1, 20164272400), (2, 10082136200), (4, 5041068100), (5, 4032854480), (8, 2520534050), (10, 2016427240), (16, 1260267025), (20, 1008213620), (25, 806570896), (31, 650460400), (40, 504106810), (50, 403285448), (62, 325230200), (80, 252053405), (100, 201642724), (124, 162615100), (155, 130092080), (200, 100821362), (248, 81307550), (310, 65046040), (400, 50410681), (496, 40653775), (620, 32523020), (775, 26018416), (1231, 16380400), (1240, 16261510), (1321, 15264400), (1550, 13009208), (2462, 8190200), (2480, 8130755), (2642, 7632200), (3100, 6504604), (4924, 4095100), (5284, 3816100), (6155, 3276080), (6200, 3252302), (6605, 3052880), (9848, 2047550), (10568, 1908050), (12310, 1638040), (12400, 1626151), (13210, 1526440), (19696, 1023775), (21136, 954025), (24620, 819020), (26420, 763220), (30775, 655216), (33025, 610576), (38161, 528400), (40951, 492400), (49240, 409510), (52840, 381610), (61550, 327608), (66050, 305288), (76322, 264200), (81902, 246200), (98480, 204755), (105680, 190805), (123100, 163804), (132100, 152644)]