65186960

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4999}}^1$

素因数の和:5175

約数の個数: 40

約数和(自身を含む): 152520000

約数和(自身を除く): 87333040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4999, 6520, 9998, 13040, 19996, 24995, 39992, 49990, 79984, 99980, 199960, 399920, 814837, 1629674, 3259348, 4074185, 6518696, 8148370, 13037392, 16296740, 32593480, 65186960]

約数ペア:

[(1, 65186960), (2, 32593480), (4, 16296740), (5, 13037392), (8, 8148370), (10, 6518696), (16, 4074185), (20, 3259348), (40, 1629674), (80, 814837), (163, 399920), (326, 199960), (652, 99980), (815, 79984), (1304, 49990), (1630, 39992), (2608, 24995), (3260, 19996), (4999, 13040), (6520, 9998)]