2053643875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{400711}}^1$

素因数の和:400767

約数の個数: 16

約数和(自身を含む): 2625465024

約数和(自身を除く): 571821149

約数列:

[1, 5, 25, 41, 125, 205, 1025, 5125, 400711, 2003555, 10017775, 16429151, 50088875, 82145755, 410728775, 2053643875]

約数ペア:

[(1, 2053643875), (5, 410728775), (25, 82145755), (41, 50088875), (125, 16429151), (205, 10017775), (1025, 2003555), (5125, 400711)]