12638360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45137}}^1$

素因数の和:45155

約数の個数: 32

約数和(自身を含む): 32499360

約数和(自身を除く): 19861000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45137, 90274, 180548, 225685, 315959, 361096, 451370, 631918, 902740, 1263836, 1579795, 1805480, 2527672, 3159590, 6319180, 12638360]

約数ペア:

[(1, 12638360), (2, 6319180), (4, 3159590), (5, 2527672), (7, 1805480), (8, 1579795), (10, 1263836), (14, 902740), (20, 631918), (28, 451370), (35, 361096), (40, 315959), (56, 225685), (70, 180548), (140, 90274), (280, 45137)]