2000450090

素因数分解:

$2^1\times 5^1\times {\mathrm{200045009}}^1$

素因数の和:200045016

約数の個数: 8

約数和(自身を含む): 3600810180

約数和(自身を除く): 1600360090

約数列:

[1, 2, 5, 10, 200045009, 400090018, 1000225045, 2000450090]

約数ペア:

[(1, 2000450090), (2, 1000225045), (5, 400090018), (10, 200045009)]