1995580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 4232592

約数和(自身を除く): 2237012

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 883, 1130, 1766, 2260, 3532, 4415, 8830, 17660, 99779, 199558, 399116, 498895, 997790, 1995580]

約数ペア:

[(1, 1995580), (2, 997790), (4, 498895), (5, 399116), (10, 199558), (20, 99779), (113, 17660), (226, 8830), (452, 4415), (565, 3532), (883, 2260), (1130, 1766)]