64672540

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{5683}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 136074960

約数和(自身を除く): 71402420

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5683, 5690, 11366, 11380, 22732, 28415, 56830, 113660, 3233627, 6467254, 12934508, 16168135, 32336270, 64672540]

約数ペア:

[(1, 64672540), (2, 32336270), (4, 16168135), (5, 12934508), (10, 6467254), (20, 3233627), (569, 113660), (1138, 56830), (2276, 28415), (2845, 22732), (5683, 11380), (5690, 11366)]