28057940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34217}}^1$

素因数の和:34267

約数の個数: 24

約数和(自身を含む): 60360552

約数和(自身を除く): 32302612

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34217, 68434, 136868, 171085, 342170, 684340, 1402897, 2805794, 5611588, 7014485, 14028970, 28057940]

約数ペア:

[(1, 28057940), (2, 14028970), (4, 7014485), (5, 5611588), (10, 2805794), (20, 1402897), (41, 684340), (82, 342170), (164, 171085), (205, 136868), (410, 68434), (820, 34217)]