40785490

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6343}}^1$

素因数の和:6993

約数の個数: 16

約数和(自身を含む): 73539648

約数和(自身を除く): 32754158

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6343, 6430, 12686, 31715, 63430, 4078549, 8157098, 20392745, 40785490]

約数ペア:

[(1, 40785490), (2, 20392745), (5, 8157098), (10, 4078549), (643, 63430), (1286, 31715), (3215, 12686), (6343, 6430)]