38665640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74357}}^1$

素因数の和:74381

約数の個数: 32

約数和(自身を含む): 93691080

約数和(自身を除く): 55025440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74357, 148714, 297428, 371785, 594856, 743570, 966641, 1487140, 1933282, 2974280, 3866564, 4833205, 7733128, 9666410, 19332820, 38665640]

約数ペア:

[(1, 38665640), (2, 19332820), (4, 9666410), (5, 7733128), (8, 4833205), (10, 3866564), (13, 2974280), (20, 1933282), (26, 1487140), (40, 966641), (52, 743570), (65, 594856), (104, 371785), (130, 297428), (260, 148714), (520, 74357)]