870827240

素因数分解:

$2^3\times 5^1\times {\mathrm{21770681}}^1$

素因数の和:21770692

約数の個数: 16

約数和(自身を含む): 1959361380

約数和(自身を除く): 1088534140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21770681, 43541362, 87082724, 108853405, 174165448, 217706810, 435413620, 870827240]

約数ペア:

[(1, 870827240), (2, 435413620), (4, 217706810), (5, 174165448), (8, 108853405), (10, 87082724), (20, 43541362), (40, 21770681)]