63689740

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12391}}^1$

素因数の和:12657

約数の個数: 24

約数和(自身を含む): 134279712

約数和(自身を除く): 70589972

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 12391, 24782, 49564, 61955, 123910, 247820, 3184487, 6368974, 12737948, 15922435, 31844870, 63689740]

約数ペア:

[(1, 63689740), (2, 31844870), (4, 15922435), (5, 12737948), (10, 6368974), (20, 3184487), (257, 247820), (514, 123910), (1028, 61955), (1285, 49564), (2570, 24782), (5140, 12391)]