82490080

素因数分解:

$2^5\times 5^1\times {\mathrm{515563}}^1$

素因数の和:515578

約数の個数: 24

約数和(自身を含む): 194883192

約数和(自身を除く): 112393112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 515563, 1031126, 2062252, 2577815, 4124504, 5155630, 8249008, 10311260, 16498016, 20622520, 41245040, 82490080]

約数ペア:

[(1, 82490080), (2, 41245040), (4, 20622520), (5, 16498016), (8, 10311260), (10, 8249008), (16, 5155630), (20, 4124504), (32, 2577815), (40, 2062252), (80, 1031126), (160, 515563)]