2219740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 4776912

約数和(自身を除く): 2557172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2707, 5414, 10828, 13535, 27070, 54140, 110987, 221974, 443948, 554935, 1109870, 2219740]

約数ペア:

[(1, 2219740), (2, 1109870), (4, 554935), (5, 443948), (10, 221974), (20, 110987), (41, 54140), (82, 27070), (164, 13535), (205, 10828), (410, 5414), (820, 2707)]