31139140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{14551}}^1$

素因数の和:14667

約数の個数: 24

約数和(自身を含む): 66007872

約数和(自身を除く): 34868732

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 14551, 29102, 58204, 72755, 145510, 291020, 1556957, 3113914, 6227828, 7784785, 15569570, 31139140]

約数ペア:

[(1, 31139140), (2, 15569570), (4, 7784785), (5, 6227828), (10, 3113914), (20, 1556957), (107, 291020), (214, 145510), (428, 72755), (535, 58204), (1070, 29102), (2140, 14551)]