3201320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 7261920

約数和(自身を除く): 4060600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 491, 652, 815, 982, 1304, 1630, 1964, 2455, 3260, 3928, 4910, 6520, 9820, 19640, 80033, 160066, 320132, 400165, 640264, 800330, 1600660, 3201320]

約数ペア:

[(1, 3201320), (2, 1600660), (4, 800330), (5, 640264), (8, 400165), (10, 320132), (20, 160066), (40, 80033), (163, 19640), (326, 9820), (491, 6520), (652, 4910), (815, 3928), (982, 3260), (1304, 2455), (1630, 1964)]