40687780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290627}}^1$

素因数の和:290643

約数の個数: 24

約数和(自身を含む): 97651008

約数和(自身を除く): 56963228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290627, 581254, 1162508, 1453135, 2034389, 2906270, 4068778, 5812540, 8137556, 10171945, 20343890, 40687780]

約数ペア:

[(1, 40687780), (2, 20343890), (4, 10171945), (5, 8137556), (7, 5812540), (10, 4068778), (14, 2906270), (20, 2034389), (28, 1453135), (35, 1162508), (70, 581254), (140, 290627)]