56722640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54541}}^1$

素因数の和:54567

約数の個数: 40

約数和(自身を含む): 142027368

約数和(自身を除く): 85304728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54541, 109082, 218164, 272705, 436328, 545410, 709033, 872656, 1090820, 1418066, 2181640, 2836132, 3545165, 4363280, 5672264, 7090330, 11344528, 14180660, 28361320, 56722640]

約数ペア:

[(1, 56722640), (2, 28361320), (4, 14180660), (5, 11344528), (8, 7090330), (10, 5672264), (13, 4363280), (16, 3545165), (20, 2836132), (26, 2181640), (40, 1418066), (52, 1090820), (65, 872656), (80, 709033), (104, 545410), (130, 436328), (208, 272705), (260, 218164), (520, 109082), (1040, 54541)]