161729740

素因数分解:

$2^2\times 5^1\times {\mathrm{2801}}^1\times {\mathrm{2887}}^1$

素因数の和:5697

約数の個数: 24

約数和(自身を含む): 339871392

約数和(自身を除く): 178141652

約数列:

[1, 2, 4, 5, 10, 20, 2801, 2887, 5602, 5774, 11204, 11548, 14005, 14435, 28010, 28870, 56020, 57740, 8086487, 16172974, 32345948, 40432435, 80864870, 161729740]

約数ペア:

[(1, 161729740), (2, 80864870), (4, 40432435), (5, 32345948), (10, 16172974), (20, 8086487), (2801, 57740), (2887, 56020), (5602, 28870), (5774, 28010), (11204, 14435), (11548, 14005)]