7951280

素因数分解:

$2^4\times 5^1\times {\mathrm{99391}}^1$

素因数の和:99404

約数の個数: 20

約数和(自身を含む): 18486912

約数和(自身を除く): 10535632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99391, 198782, 397564, 496955, 795128, 993910, 1590256, 1987820, 3975640, 7951280]

約数ペア:

[(1, 7951280), (2, 3975640), (4, 1987820), (5, 1590256), (8, 993910), (10, 795128), (16, 496955), (20, 397564), (40, 198782), (80, 99391)]