12618914680

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{499957}}^1$

素因数の和:500599

約数の個数: 32

約数和(自身を含む): 28437611040

約数和(自身を除く): 15818696360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 499957, 999914, 1999828, 2499785, 3999656, 4999570, 9999140, 19998280, 315472867, 630945734, 1261891468, 1577364335, 2523782936, 3154728670, 6309457340, 12618914680]

約数ペア:

[(1, 12618914680), (2, 6309457340), (4, 3154728670), (5, 2523782936), (8, 1577364335), (10, 1261891468), (20, 630945734), (40, 315472867), (631, 19998280), (1262, 9999140), (2524, 4999570), (3155, 3999656), (5048, 2499785), (6310, 1999828), (12620, 999914), (25240, 499957)]