3121240

素因数分解:

$2^3\times 5^1\times {\mathrm{78031}}^1$

素因数の和:78042

約数の個数: 16

約数和(自身を含む): 7022880

約数和(自身を除く): 3901640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 78031, 156062, 312124, 390155, 624248, 780310, 1560620, 3121240]

約数ペア:

[(1, 3121240), (2, 1560620), (4, 780310), (5, 624248), (8, 390155), (10, 312124), (20, 156062), (40, 78031)]