78292780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{95479}}^1$

素因数の和:95529

約数の個数: 24

約数和(自身を含む): 168426720

約数和(自身を除く): 90133940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 95479, 190958, 381916, 477395, 954790, 1909580, 3914639, 7829278, 15658556, 19573195, 39146390, 78292780]

約数ペア:

[(1, 78292780), (2, 39146390), (4, 19573195), (5, 15658556), (10, 7829278), (20, 3914639), (41, 1909580), (82, 954790), (164, 477395), (205, 381916), (410, 190958), (820, 95479)]