22221100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{20201}}^1$

素因数の和:20226

約数の個数: 36

約数和(自身を含む): 52606008

約数和(自身を除く): 30384908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 20201, 40402, 80804, 101005, 202010, 222211, 404020, 444422, 505025, 888844, 1010050, 1111055, 2020100, 2222110, 4444220, 5555275, 11110550, 22221100]

約数ペア:

[(1, 22221100), (2, 11110550), (4, 5555275), (5, 4444220), (10, 2222110), (11, 2020100), (20, 1111055), (22, 1010050), (25, 888844), (44, 505025), (50, 444422), (55, 404020), (100, 222211), (110, 202010), (220, 101005), (275, 80804), (550, 40402), (1100, 20201)]