128601110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{2161}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 253109664

約数和(自身を除く): 124508554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 541, 1082, 2161, 2705, 4322, 5410, 5951, 10805, 11902, 21610, 23771, 29755, 47542, 59510, 118855, 237710, 1169101, 2338202, 5845505, 11691010, 12860111, 25720222, 64300555, 128601110]

約数ペア:

[(1, 128601110), (2, 64300555), (5, 25720222), (10, 12860111), (11, 11691010), (22, 5845505), (55, 2338202), (110, 1169101), (541, 237710), (1082, 118855), (2161, 59510), (2705, 47542), (4322, 29755), (5410, 23771), (5951, 21610), (10805, 11902)]