12739960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4363}}^1$

素因数の和:4447

約数の個数: 32

約数和(自身を含む): 29064240

約数和(自身を除く): 16324280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4363, 8726, 17452, 21815, 34904, 43630, 87260, 174520, 318499, 636998, 1273996, 1592495, 2547992, 3184990, 6369980, 12739960]

約数ペア:

[(1, 12739960), (2, 6369980), (4, 3184990), (5, 2547992), (8, 1592495), (10, 1273996), (20, 636998), (40, 318499), (73, 174520), (146, 87260), (292, 43630), (365, 34904), (584, 21815), (730, 17452), (1460, 8726), (2920, 4363)]