1286780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5849}}^1$

素因数の和:5869

約数の個数: 24

約数和(自身を含む): 2948400

約数和(自身を除く): 1661620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5849, 11698, 23396, 29245, 58490, 64339, 116980, 128678, 257356, 321695, 643390, 1286780]

約数ペア:

[(1, 1286780), (2, 643390), (4, 321695), (5, 257356), (10, 128678), (11, 116980), (20, 64339), (22, 58490), (44, 29245), (55, 23396), (110, 11698), (220, 5849)]