12494960

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 29202000

約数和(自身を除く): 16707040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 499, 626, 998, 1252, 1565, 1996, 2495, 2504, 3130, 3992, 4990, 5008, 6260, 7984, 9980, 12520, 19960, 25040, 39920, 156187, 312374, 624748, 780935, 1249496, 1561870, 2498992, 3123740, 6247480, 12494960]

約数ペア:

[(1, 12494960), (2, 6247480), (4, 3123740), (5, 2498992), (8, 1561870), (10, 1249496), (16, 780935), (20, 624748), (40, 312374), (80, 156187), (313, 39920), (499, 25040), (626, 19960), (998, 12520), (1252, 9980), (1565, 7984), (1996, 6260), (2495, 5008), (2504, 4990), (3130, 3992)]