26931875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1112

約数の個数: 20

約数和(自身を含む): 34507704

約数和(自身を除く): 7575829

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 1051, 5125, 5255, 25625, 26275, 43091, 131375, 215455, 656875, 1077275, 5386375, 26931875]

約数ペア:

[(1, 26931875), (5, 5386375), (25, 1077275), (41, 656875), (125, 215455), (205, 131375), (625, 43091), (1025, 26275), (1051, 25625), (5125, 5255)]