90254030

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{22067}}^1$

素因数の和:22483

約数の個数: 16

約数和(自身を含む): 162861840

約数和(自身を除く): 72607810

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 22067, 44134, 110335, 220670, 9025403, 18050806, 45127015, 90254030]

約数ペア:

[(1, 90254030), (2, 45127015), (5, 18050806), (10, 9025403), (409, 220670), (818, 110335), (2045, 44134), (4090, 22067)]