26987875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5079

約数の個数: 16

約数和(自身を含む): 34471008

約数和(自身を除く): 7483133

約数列:

[1, 5, 25, 43, 125, 215, 1075, 5021, 5375, 25105, 125525, 215903, 627625, 1079515, 5397575, 26987875]

約数ペア:

[(1, 26987875), (5, 5397575), (25, 1079515), (43, 627625), (125, 215903), (215, 125525), (1075, 25105), (5021, 5375)]