201809680

素因数分解:

$2^4\times 5^1\times {\mathrm{2522621}}^1$

素因数の和:2522634

約数の個数: 20

約数和(自身を含む): 469207692

約数和(自身を除く): 267398012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522621, 5045242, 10090484, 12613105, 20180968, 25226210, 40361936, 50452420, 100904840, 201809680]

約数ペア:

[(1, 201809680), (2, 100904840), (4, 50452420), (5, 40361936), (8, 25226210), (10, 20180968), (16, 12613105), (20, 10090484), (40, 5045242), (80, 2522621)]