51701360

素因数分解:

$2^4\times 5^1\times {\mathrm{646267}}^1$

素因数の和:646280

約数の個数: 20

約数和(自身を含む): 120205848

約数和(自身を除く): 68504488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646267, 1292534, 2585068, 3231335, 5170136, 6462670, 10340272, 12925340, 25850680, 51701360]

約数ペア:

[(1, 51701360), (2, 25850680), (4, 12925340), (5, 10340272), (8, 6462670), (10, 5170136), (16, 3231335), (20, 2585068), (40, 1292534), (80, 646267)]