28930179370

素因数分解:

$2^1\times 5^1\times {\mathrm{721991}}^1\times {\mathrm{4007}}^1$

素因数の和:726005

約数の個数: 16

約数和(自身を含む): 52087390848

約数和(自身を除く): 23157211478

約数列:

[1, 2, 5, 10, 4007, 8014, 20035, 40070, 721991, 1443982, 3609955, 7219910, 2893017937, 5786035874, 14465089685, 28930179370]

約数ペア:

[(1, 28930179370), (2, 14465089685), (5, 5786035874), (10, 2893017937), (4007, 7219910), (8014, 3609955), (20035, 1443982), (40070, 721991)]