125598520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28807}}^1$

素因数の和:28927

約数の個数: 32

約数和(自身を含む): 285199200

約数和(自身を除く): 159600680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 28807, 57614, 115228, 144035, 230456, 288070, 576140, 1152280, 3139963, 6279926, 12559852, 15699815, 25119704, 31399630, 62799260, 125598520]

約数ペア:

[(1, 125598520), (2, 62799260), (4, 31399630), (5, 25119704), (8, 15699815), (10, 12559852), (20, 6279926), (40, 3139963), (109, 1152280), (218, 576140), (436, 288070), (545, 230456), (872, 144035), (1090, 115228), (2180, 57614), (4360, 28807)]