728492080

素因数分解:

$2^4\times 5^1\times {\mathrm{9106151}}^1$

素因数の和:9106164

約数の個数: 20

約数和(自身を含む): 1693744272

約数和(自身を除く): 965252192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9106151, 18212302, 36424604, 45530755, 72849208, 91061510, 145698416, 182123020, 364246040, 728492080]

約数ペア:

[(1, 728492080), (2, 364246040), (4, 182123020), (5, 145698416), (8, 91061510), (10, 72849208), (16, 45530755), (20, 36424604), (40, 18212302), (80, 9106151)]