39771640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24251}}^1$

素因数の和:24303

約数の個数: 32

約数和(自身を含む): 91672560

約数和(自身を除く): 51900920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24251, 48502, 97004, 121255, 194008, 242510, 485020, 970040, 994291, 1988582, 3977164, 4971455, 7954328, 9942910, 19885820, 39771640]

約数ペア:

[(1, 39771640), (2, 19885820), (4, 9942910), (5, 7954328), (8, 4971455), (10, 3977164), (20, 1988582), (40, 994291), (41, 970040), (82, 485020), (164, 242510), (205, 194008), (328, 121255), (410, 97004), (820, 48502), (1640, 24251)]