78497080

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5623}}^1$

素因数の和:5983

約数の個数: 32

約数和(自身を含む): 177156000

約数和(自身を除く): 98658920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 5623, 6980, 11246, 13960, 22492, 28115, 44984, 56230, 112460, 224920, 1962427, 3924854, 7849708, 9812135, 15699416, 19624270, 39248540, 78497080]

約数ペア:

[(1, 78497080), (2, 39248540), (4, 19624270), (5, 15699416), (8, 9812135), (10, 7849708), (20, 3924854), (40, 1962427), (349, 224920), (698, 112460), (1396, 56230), (1745, 44984), (2792, 28115), (3490, 22492), (5623, 13960), (6980, 11246)]