5192080

素因数分解:

$2^4\times 5^1\times {\mathrm{64901}}^1$

素因数の和:64914

約数の個数: 20

約数和(自身を含む): 12071772

約数和(自身を除く): 6879692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64901, 129802, 259604, 324505, 519208, 649010, 1038416, 1298020, 2596040, 5192080]

約数ペア:

[(1, 5192080), (2, 2596040), (4, 1298020), (5, 1038416), (8, 649010), (10, 519208), (16, 324505), (20, 259604), (40, 129802), (80, 64901)]