28581740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129917}}^1$

素因数の和:129937

約数の個数: 24

約数和(自身を含む): 65478672

約数和(自身を除く): 36896932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129917, 259834, 519668, 649585, 1299170, 1429087, 2598340, 2858174, 5716348, 7145435, 14290870, 28581740]

約数ペア:

[(1, 28581740), (2, 14290870), (4, 7145435), (5, 5716348), (10, 2858174), (11, 2598340), (20, 1429087), (22, 1299170), (44, 649585), (55, 519668), (110, 259834), (220, 129917)]