84615880

素因数分解:

$2^3\times 5^1\times {\mathrm{2115397}}^1$

素因数の和:2115408

約数の個数: 16

約数和(自身を含む): 190385820

約数和(自身を除く): 105769940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2115397, 4230794, 8461588, 10576985, 16923176, 21153970, 42307940, 84615880]

約数ペア:

[(1, 84615880), (2, 42307940), (4, 21153970), (5, 16923176), (8, 10576985), (10, 8461588), (20, 4230794), (40, 2115397)]