8402540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10247}}^1$

素因数の和:10297

約数の個数: 24

約数和(自身を含む): 18077472

約数和(自身を除く): 9674932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10247, 20494, 40988, 51235, 102470, 204940, 420127, 840254, 1680508, 2100635, 4201270, 8402540]

約数ペア:

[(1, 8402540), (2, 4201270), (4, 2100635), (5, 1680508), (10, 840254), (20, 420127), (41, 204940), (82, 102470), (164, 51235), (205, 40988), (410, 20494), (820, 10247)]