25658580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 72072000

約数和(自身を除く): 46413420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 857, 998, 1497, 1714, 1996, 2495, 2571, 2994, 3428, 4285, 4990, 5142, 5988, 7485, 8570, 9980, 10284, 12855, 14970, 17140, 25710, 29940, 51420, 427643, 855286, 1282929, 1710572, 2138215, 2565858, 4276430, 5131716, 6414645, 8552860, 12829290, 25658580]

約数ペア:

[(1, 25658580), (2, 12829290), (3, 8552860), (4, 6414645), (5, 5131716), (6, 4276430), (10, 2565858), (12, 2138215), (15, 1710572), (20, 1282929), (30, 855286), (60, 427643), (499, 51420), (857, 29940), (998, 25710), (1497, 17140), (1714, 14970), (1996, 12855), (2495, 10284), (2571, 9980), (2994, 8570), (3428, 7485), (4285, 5988), (4990, 5142)]