78492080

素因数分解:

$2^4\times 5^1\times {\mathrm{981151}}^1$

素因数の和:981164

約数の個数: 20

約数和(自身を含む): 182494272

約数和(自身を除く): 104002192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 981151, 1962302, 3924604, 4905755, 7849208, 9811510, 15698416, 19623020, 39246040, 78492080]

約数ペア:

[(1, 78492080), (2, 39246040), (4, 19623020), (5, 15698416), (8, 9811510), (10, 7849208), (16, 4905755), (20, 3924604), (40, 1962302), (80, 981151)]