1600660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 3388896

約数和(自身を除く): 1788236

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 491, 652, 815, 982, 1630, 1964, 2455, 3260, 4910, 9820, 80033, 160066, 320132, 400165, 800330, 1600660]

約数ペア:

[(1, 1600660), (2, 800330), (4, 400165), (5, 320132), (10, 160066), (20, 80033), (163, 9820), (326, 4910), (491, 3260), (652, 2455), (815, 1964), (982, 1630)]