159401240

素因数分解:

$2^3\times 5^1\times {\mathrm{3985031}}^1$

素因数の和:3985042

約数の個数: 16

約数和(自身を含む): 358652880

約数和(自身を除く): 199251640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3985031, 7970062, 15940124, 19925155, 31880248, 39850310, 79700620, 159401240]

約数ペア:

[(1, 159401240), (2, 79700620), (4, 39850310), (5, 31880248), (8, 19925155), (10, 15940124), (20, 7970062), (40, 3985031)]