65464640

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1373}}^1$

素因数の和:1539

約数の個数: 56

約数和(自身を含む): 157048200

約数和(自身を除く): 91583560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 745, 1192, 1373, 1490, 2384, 2746, 2980, 4768, 5492, 5960, 6865, 9536, 10984, 11920, 13730, 21968, 23840, 27460, 43936, 47680, 54920, 87872, 109840, 204577, 219680, 409154, 439360, 818308, 1022885, 1636616, 2045770, 3273232, 4091540, 6546464, 8183080, 13092928, 16366160, 32732320, 65464640]

約数ペア:

[(1, 65464640), (2, 32732320), (4, 16366160), (5, 13092928), (8, 8183080), (10, 6546464), (16, 4091540), (20, 3273232), (32, 2045770), (40, 1636616), (64, 1022885), (80, 818308), (149, 439360), (160, 409154), (298, 219680), (320, 204577), (596, 109840), (745, 87872), (1192, 54920), (1373, 47680), (1490, 43936), (2384, 27460), (2746, 23840), (2980, 21968), (4768, 13730), (5492, 11920), (5960, 10984), (6865, 9536)]