13191740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21277}}^1$

素因数の和:21317

約数の個数: 24

約数和(自身を含む): 28597632

約数和(自身を除く): 15405892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21277, 42554, 85108, 106385, 212770, 425540, 659587, 1319174, 2638348, 3297935, 6595870, 13191740]

約数ペア:

[(1, 13191740), (2, 6595870), (4, 3297935), (5, 2638348), (10, 1319174), (20, 659587), (31, 425540), (62, 212770), (124, 106385), (155, 85108), (310, 42554), (620, 21277)]