4120025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 6291264

約数和(自身を除く): 2171239

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1811, 2275, 9055, 12677, 23543, 45275, 63385, 117715, 164801, 316925, 588575, 824005, 4120025]

約数ペア:

[(1, 4120025), (5, 824005), (7, 588575), (13, 316925), (25, 164801), (35, 117715), (65, 63385), (91, 45275), (175, 23543), (325, 12677), (455, 9055), (1811, 2275)]