2479220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1097}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 5257224

約数和(自身を除く): 2778004

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1097, 1130, 2194, 2260, 4388, 5485, 10970, 21940, 123961, 247922, 495844, 619805, 1239610, 2479220]

約数ペア:

[(1, 2479220), (2, 1239610), (4, 619805), (5, 495844), (10, 247922), (20, 123961), (113, 21940), (226, 10970), (452, 5485), (565, 4388), (1097, 2260), (1130, 2194)]