84787240

素因数分解:

$2^3\times 5^1\times {\mathrm{2119681}}^1$

素因数の和:2119692

約数の個数: 16

約数和(自身を含む): 190771380

約数和(自身を除く): 105984140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2119681, 4239362, 8478724, 10598405, 16957448, 21196810, 42393620, 84787240]

約数ペア:

[(1, 84787240), (2, 42393620), (4, 21196810), (5, 16957448), (8, 10598405), (10, 8478724), (20, 4239362), (40, 2119681)]