31630960

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3499}}^1$

素因数の和:3625

約数の個数: 40

約数和(自身を含む): 74214000

約数和(自身を除く): 42583040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 3499, 4520, 6998, 9040, 13996, 17495, 27992, 34990, 55984, 69980, 139960, 279920, 395387, 790774, 1581548, 1976935, 3163096, 3953870, 6326192, 7907740, 15815480, 31630960]

約数ペア:

[(1, 31630960), (2, 15815480), (4, 7907740), (5, 6326192), (8, 3953870), (10, 3163096), (16, 1976935), (20, 1581548), (40, 790774), (80, 395387), (113, 279920), (226, 139960), (452, 69980), (565, 55984), (904, 34990), (1130, 27992), (1808, 17495), (2260, 13996), (3499, 9040), (4520, 6998)]