131704240

素因数分解:

$2^4\times 5^1\times {\mathrm{1646303}}^1$

素因数の和:1646316

約数の個数: 20

約数和(自身を含む): 306212544

約数和(自身を除く): 174508304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1646303, 3292606, 6585212, 8231515, 13170424, 16463030, 26340848, 32926060, 65852120, 131704240]

約数ペア:

[(1, 131704240), (2, 65852120), (4, 32926060), (5, 26340848), (8, 16463030), (10, 13170424), (16, 8231515), (20, 6585212), (40, 3292606), (80, 1646303)]