20128075280

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2226557}}^1$

素因数の和:2226683

約数の個数: 40

約数和(自身を含む): 47211935832

約数和(自身を除く): 27083860552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 2226557, 4453114, 8906228, 11132785, 17812456, 22265570, 35624912, 44531140, 89062280, 178124560, 251600941, 503201882, 1006403764, 1258004705, 2012807528, 2516009410, 4025615056, 5032018820, 10064037640, 20128075280]

約数ペア:

[(1, 20128075280), (2, 10064037640), (4, 5032018820), (5, 4025615056), (8, 2516009410), (10, 2012807528), (16, 1258004705), (20, 1006403764), (40, 503201882), (80, 251600941), (113, 178124560), (226, 89062280), (452, 44531140), (565, 35624912), (904, 22265570), (1130, 17812456), (1808, 11132785), (2260, 8906228), (4520, 4453114), (9040, 2226557)]