77585980

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2411}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 163099440

約数和(自身を除く): 85513460

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2411, 3218, 4822, 6436, 8045, 9644, 12055, 16090, 24110, 32180, 48220, 3879299, 7758598, 15517196, 19396495, 38792990, 77585980]

約数ペア:

[(1, 77585980), (2, 38792990), (4, 19396495), (5, 15517196), (10, 7758598), (20, 3879299), (1609, 48220), (2411, 32180), (3218, 24110), (4822, 16090), (6436, 12055), (8045, 9644)]