2537540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 5406912

約数和(自身を除く): 2869372

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1787, 3574, 7148, 8935, 17870, 35740, 126877, 253754, 507508, 634385, 1268770, 2537540]

約数ペア:

[(1, 2537540), (2, 1268770), (4, 634385), (5, 507508), (10, 253754), (20, 126877), (71, 35740), (142, 17870), (284, 8935), (355, 7148), (710, 3574), (1420, 1787)]