40939810

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6367}}^1$

素因数の和:7017

約数の個数: 16

約数和(自身を含む): 73817856

約数和(自身を除く): 32878046

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6367, 6430, 12734, 31835, 63670, 4093981, 8187962, 20469905, 40939810]

約数ペア:

[(1, 40939810), (2, 20469905), (5, 8187962), (10, 4093981), (643, 63670), (1286, 31835), (3215, 12734), (6367, 6430)]