11420440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5451

約数の個数: 32

約数和(自身を含む): 26185680

約数和(自身を除く): 14765240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5387, 10774, 21548, 26935, 43096, 53870, 107740, 215480, 285511, 571022, 1142044, 1427555, 2284088, 2855110, 5710220, 11420440]

約数ペア:

[(1, 11420440), (2, 5710220), (4, 2855110), (5, 2284088), (8, 1427555), (10, 1142044), (20, 571022), (40, 285511), (53, 215480), (106, 107740), (212, 53870), (265, 43096), (424, 26935), (530, 21548), (1060, 10774), (2120, 5387)]