25564220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{116201}}^1$

素因数の和:116221

約数の個数: 24

約数和(自身を含む): 58565808

約数和(自身を除く): 33001588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 116201, 232402, 464804, 581005, 1162010, 1278211, 2324020, 2556422, 5112844, 6391055, 12782110, 25564220]

約数ペア:

[(1, 25564220), (2, 12782110), (4, 6391055), (5, 5112844), (10, 2556422), (11, 2324020), (20, 1278211), (22, 1162010), (44, 581005), (55, 464804), (110, 232402), (220, 116201)]