79201240

素因数分解:

$2^3\times 5^1\times {\mathrm{1980031}}^1$

素因数の和:1980042

約数の個数: 16

約数和(自身を含む): 178202880

約数和(自身を除く): 99001640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980031, 3960062, 7920124, 9900155, 15840248, 19800310, 39600620, 79201240]

約数ペア:

[(1, 79201240), (2, 39600620), (4, 19800310), (5, 15840248), (8, 9900155), (10, 7920124), (20, 3960062), (40, 1980031)]