1990059080

素因数分解:

$2^3\times 5^1\times {\mathrm{49751477}}^1$

素因数の和:49751488

約数の個数: 16

約数和(自身を含む): 4477633020

約数和(自身を除く): 2487573940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49751477, 99502954, 199005908, 248757385, 398011816, 497514770, 995029540, 1990059080]

約数ペア:

[(1, 1990059080), (2, 995029540), (4, 497514770), (5, 398011816), (8, 248757385), (10, 199005908), (20, 99502954), (40, 49751477)]