15815480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3499}}^1$

素因数の和:3623

約数の個数: 32

約数和(自身を含む): 35910000

約数和(自身を除く): 20094520

約数列:

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

約数ペア:

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