25117640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5557}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 57025080

約数和(自身を除く): 31907440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 5557, 11114, 22228, 27785, 44456, 55570, 111140, 222280, 627941, 1255882, 2511764, 3139705, 5023528, 6279410, 12558820, 25117640]

約数ペア:

[(1, 25117640), (2, 12558820), (4, 6279410), (5, 5023528), (8, 3139705), (10, 2511764), (20, 1255882), (40, 627941), (113, 222280), (226, 111140), (452, 55570), (565, 44456), (904, 27785), (1130, 22228), (2260, 11114), (4520, 5557)]