31657640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113063}}^1$

素因数の和:113081

約数の個数: 32

約数和(自身を含む): 81406080

約数和(自身を除く): 49748440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113063, 226126, 452252, 565315, 791441, 904504, 1130630, 1582882, 2261260, 3165764, 3957205, 4522520, 6331528, 7914410, 15828820, 31657640]

約数ペア:

[(1, 31657640), (2, 15828820), (4, 7914410), (5, 6331528), (7, 4522520), (8, 3957205), (10, 3165764), (14, 2261260), (20, 1582882), (28, 1130630), (35, 904504), (40, 791441), (56, 565315), (70, 452252), (140, 226126), (280, 113063)]