31881740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{144917}}^1$

素因数の和:144937

約数の個数: 24

約数和(自身を含む): 73038672

約数和(自身を除く): 41156932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 144917, 289834, 579668, 724585, 1449170, 1594087, 2898340, 3188174, 6376348, 7970435, 15940870, 31881740]

約数ペア:

[(1, 31881740), (2, 15940870), (4, 7970435), (5, 6376348), (10, 3188174), (11, 2898340), (20, 1594087), (22, 1449170), (44, 724585), (55, 579668), (110, 289834), (220, 144917)]