64512190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 54189890

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 395, 635, 643, 790, 1270, 1286, 3215, 6430, 10033, 20066, 50165, 50797, 81661, 100330, 101594, 163322, 253985, 408305, 507970, 816610, 6451219, 12902438, 32256095, 64512190]

約数ペア:

[(1, 64512190), (2, 32256095), (5, 12902438), (10, 6451219), (79, 816610), (127, 507970), (158, 408305), (254, 253985), (395, 163322), (635, 101594), (643, 100330), (790, 81661), (1270, 50797), (1286, 50165), (3215, 20066), (6430, 10033)]