85901960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49943}}^1$

素因数の和:49997

約数の個数: 32

約数和(自身を含む): 197778240

約数和(自身を除く): 111876280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49943, 99886, 199772, 249715, 399544, 499430, 998860, 1997720, 2147549, 4295098, 8590196, 10737745, 17180392, 21475490, 42950980, 85901960]

約数ペア:

[(1, 85901960), (2, 42950980), (4, 21475490), (5, 17180392), (8, 10737745), (10, 8590196), (20, 4295098), (40, 2147549), (43, 1997720), (86, 998860), (172, 499430), (215, 399544), (344, 249715), (430, 199772), (860, 99886), (1720, 49943)]