1639774960

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{35897}}^1$

素因数の和:36481

約数の個数: 40

約数和(自身を含む): 3819260016

約数和(自身を除く): 2179485056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 4568, 5710, 9136, 11420, 22840, 35897, 45680, 71794, 143588, 179485, 287176, 358970, 574352, 717940, 1435880, 2871760, 20497187, 40994374, 81988748, 102485935, 163977496, 204971870, 327954992, 409943740, 819887480, 1639774960]

約数ペア:

[(1, 1639774960), (2, 819887480), (4, 409943740), (5, 327954992), (8, 204971870), (10, 163977496), (16, 102485935), (20, 81988748), (40, 40994374), (80, 20497187), (571, 2871760), (1142, 1435880), (2284, 717940), (2855, 574352), (4568, 358970), (5710, 287176), (9136, 179485), (11420, 143588), (22840, 71794), (35897, 45680)]