13508920

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{739}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 30502800

約数和(自身を除く): 16993880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 739, 914, 1478, 1828, 2285, 2956, 3656, 3695, 4570, 5912, 7390, 9140, 14780, 18280, 29560, 337723, 675446, 1350892, 1688615, 2701784, 3377230, 6754460, 13508920]

約数ペア:

[(1, 13508920), (2, 6754460), (4, 3377230), (5, 2701784), (8, 1688615), (10, 1350892), (20, 675446), (40, 337723), (457, 29560), (739, 18280), (914, 14780), (1478, 9140), (1828, 7390), (2285, 5912), (2956, 4570), (3656, 3695)]