39209180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12487}}^1$

素因数の和:12653

約数の個数: 24

約数和(自身を含む): 82870368

約数和(自身を除く): 43661188

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12487, 24974, 49948, 62435, 124870, 249740, 1960459, 3920918, 7841836, 9802295, 19604590, 39209180]

約数ペア:

[(1, 39209180), (2, 19604590), (4, 9802295), (5, 7841836), (10, 3920918), (20, 1960459), (157, 249740), (314, 124870), (628, 62435), (785, 49948), (1570, 24974), (3140, 12487)]