31692560

素因数分解:

$2^4\times 5^1\times {\mathrm{396157}}^1$

素因数の和:396170

約数の個数: 20

約数和(自身を含む): 73685388

約数和(自身を除く): 41992828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396157, 792314, 1584628, 1980785, 3169256, 3961570, 6338512, 7923140, 15846280, 31692560]

約数ペア:

[(1, 31692560), (2, 15846280), (4, 7923140), (5, 6338512), (8, 3961570), (10, 3169256), (16, 1980785), (20, 1584628), (40, 792314), (80, 396157)]