22218740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15647}}^1$

素因数の和:15727

約数の個数: 24

約数和(自身を含む): 47319552

約数和(自身を除く): 25100812

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15647, 31294, 62588, 78235, 156470, 312940, 1110937, 2221874, 4443748, 5554685, 11109370, 22218740]

約数ペア:

[(1, 22218740), (2, 11109370), (4, 5554685), (5, 4443748), (10, 2221874), (20, 1110937), (71, 312940), (142, 156470), (284, 78235), (355, 62588), (710, 31294), (1420, 15647)]