31502090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28901}}^1$

素因数の和:29017

約数の個数: 16

約数和(自身を含む): 57225960

約数和(自身を除く): 25723870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28901, 57802, 144505, 289010, 3150209, 6300418, 15751045, 31502090]

約数ペア:

[(1, 31502090), (2, 15751045), (5, 6300418), (10, 3150209), (109, 289010), (218, 144505), (545, 57802), (1090, 28901)]