87937960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18169}}^1$

素因数の和:18202

約数の個数: 48

約数和(自身を含む): 217494900

約数和(自身を除く): 129556940

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 18169, 36338, 72676, 90845, 145352, 181690, 199859, 363380, 399718, 726760, 799436, 999295, 1598872, 1998590, 2198449, 3997180, 4396898, 7994360, 8793796, 10992245, 17587592, 21984490, 43968980, 87937960]

約数ペア:

[(1, 87937960), (2, 43968980), (4, 21984490), (5, 17587592), (8, 10992245), (10, 8793796), (11, 7994360), (20, 4396898), (22, 3997180), (40, 2198449), (44, 1998590), (55, 1598872), (88, 999295), (110, 799436), (121, 726760), (220, 399718), (242, 363380), (440, 199859), (484, 181690), (605, 145352), (968, 90845), (1210, 72676), (2420, 36338), (4840, 18169)]