131198120

素因数分解:

$2^3\times 5^1\times {\mathrm{3279953}}^1$

素因数の和:3279964

約数の個数: 16

約数和(自身を含む): 295195860

約数和(自身を除く): 163997740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3279953, 6559906, 13119812, 16399765, 26239624, 32799530, 65599060, 131198120]

約数ペア:

[(1, 131198120), (2, 65599060), (4, 32799530), (5, 26239624), (8, 16399765), (10, 13119812), (20, 6559906), (40, 3279953)]