2191713220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2672821}}^1$

素因数の和:2672871

約数の個数: 24

約数和(自身を含む): 4714858008

約数和(自身を除く): 2523144788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2672821, 5345642, 10691284, 13364105, 26728210, 53456420, 109585661, 219171322, 438342644, 547928305, 1095856610, 2191713220]

約数ペア:

[(1, 2191713220), (2, 1095856610), (4, 547928305), (5, 438342644), (10, 219171322), (20, 109585661), (41, 53456420), (82, 26728210), (164, 13364105), (205, 10691284), (410, 5345642), (820, 2672821)]