1254406960

素因数分解:

$2^4\times 5^1\times {\mathrm{15680087}}^1$

素因数の和:15680100

約数の個数: 20

約数和(自身を含む): 2916496368

約数和(自身を除く): 1662089408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15680087, 31360174, 62720348, 78400435, 125440696, 156800870, 250881392, 313601740, 627203480, 1254406960]

約数ペア:

[(1, 1254406960), (2, 627203480), (4, 313601740), (5, 250881392), (8, 156800870), (10, 125440696), (16, 78400435), (20, 62720348), (40, 31360174), (80, 15680087)]