6456740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4547}}^1$

素因数の和:4627

約数の個数: 24

約数和(自身を含む): 13753152

約数和(自身を除く): 7296412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 4547, 9094, 18188, 22735, 45470, 90940, 322837, 645674, 1291348, 1614185, 3228370, 6456740]

約数ペア:

[(1, 6456740), (2, 3228370), (4, 1614185), (5, 1291348), (10, 645674), (20, 322837), (71, 90940), (142, 45470), (284, 22735), (355, 18188), (710, 9094), (1420, 4547)]