64488740

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5647}}^1$

素因数の和:6227

約数の個数: 24

約数和(自身を含む): 135687552

約数和(自身を除く): 71198812

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5647, 5710, 11294, 11420, 22588, 28235, 56470, 112940, 3224437, 6448874, 12897748, 16122185, 32244370, 64488740]

約数ペア:

[(1, 64488740), (2, 32244370), (4, 16122185), (5, 12897748), (10, 6448874), (20, 3224437), (571, 112940), (1142, 56470), (2284, 28235), (2855, 22588), (5647, 11420), (5710, 11294)]