25516040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57991}}^1$

素因数の和:58013

約数の個数: 32

約数和(自身を含む): 62631360

約数和(自身を除く): 37115320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57991, 115982, 231964, 289955, 463928, 579910, 637901, 1159820, 1275802, 2319640, 2551604, 3189505, 5103208, 6379010, 12758020, 25516040]

約数ペア:

[(1, 25516040), (2, 12758020), (4, 6379010), (5, 5103208), (8, 3189505), (10, 2551604), (11, 2319640), (20, 1275802), (22, 1159820), (40, 637901), (44, 579910), (55, 463928), (88, 289955), (110, 231964), (220, 115982), (440, 57991)]