8104580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 19908504

約数和(自身を除く): 11803924

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 197, 220, 242, 340, 374, 394, 484, 605, 748, 788, 935, 985, 1210, 1870, 1970, 2057, 2167, 2420, 3349, 3740, 3940, 4114, 4334, 6698, 8228, 8668, 10285, 10835, 13396, 16745, 20570, 21670, 23837, 33490, 36839, 41140, 43340, 47674, 66980, 73678, 95348, 119185, 147356, 184195, 238370, 368390, 405229, 476740, 736780, 810458, 1620916, 2026145, 4052290, 8104580]

約数ペア:

[(1, 8104580), (2, 4052290), (4, 2026145), (5, 1620916), (10, 810458), (11, 736780), (17, 476740), (20, 405229), (22, 368390), (34, 238370), (44, 184195), (55, 147356), (68, 119185), (85, 95348), (110, 73678), (121, 66980), (170, 47674), (187, 43340), (197, 41140), (220, 36839), (242, 33490), (340, 23837), (374, 21670), (394, 20570), (484, 16745), (605, 13396), (748, 10835), (788, 10285), (935, 8668), (985, 8228), (1210, 6698), (1870, 4334), (1970, 4114), (2057, 3940), (2167, 3740), (2420, 3349)]