12457480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44491}}^1$

素因数の和:44509

約数の個数: 32

約数和(自身を含む): 32034240

約数和(自身を除く): 19576760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44491, 88982, 177964, 222455, 311437, 355928, 444910, 622874, 889820, 1245748, 1557185, 1779640, 2491496, 3114370, 6228740, 12457480]

約数ペア:

[(1, 12457480), (2, 6228740), (4, 3114370), (5, 2491496), (7, 1779640), (8, 1557185), (10, 1245748), (14, 889820), (20, 622874), (28, 444910), (35, 355928), (40, 311437), (56, 222455), (70, 177964), (140, 88982), (280, 44491)]