2008462480

素因数分解:

$2^4\times 5^1\times {\mathrm{25105781}}^1$

素因数の和:25105794

約数の個数: 20

約数和(自身を含む): 4669675452

約数和(自身を除く): 2661212972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25105781, 50211562, 100423124, 125528905, 200846248, 251057810, 401692496, 502115620, 1004231240, 2008462480]

約数ペア:

[(1, 2008462480), (2, 1004231240), (4, 502115620), (5, 401692496), (8, 251057810), (10, 200846248), (16, 125528905), (20, 100423124), (40, 50211562), (80, 25105781)]