31053520

素因数分解:

$2^4\times 5^1\times {\mathrm{388169}}^1$

素因数の和:388182

約数の個数: 20

約数和(自身を含む): 72199620

約数和(自身を除く): 41146100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388169, 776338, 1552676, 1940845, 3105352, 3881690, 6210704, 7763380, 15526760, 31053520]

約数ペア:

[(1, 31053520), (2, 15526760), (4, 7763380), (5, 6210704), (8, 3881690), (10, 3105352), (16, 1940845), (20, 1552676), (40, 776338), (80, 388169)]