70912420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8669}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 149297400

約数和(自身を除く): 78384980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 8669, 17338, 34676, 43345, 86690, 173380, 3545621, 7091242, 14182484, 17728105, 35456210, 70912420]

約数ペア:

[(1, 70912420), (2, 35456210), (4, 17728105), (5, 14182484), (10, 7091242), (20, 3545621), (409, 173380), (818, 86690), (1636, 43345), (2045, 34676), (4090, 17338), (8180, 8669)]