51102280

素因数分解:

$2^3\times 5^1\times {\mathrm{1277557}}^1$

素因数の和:1277568

約数の個数: 16

約数和(自身を含む): 114980220

約数和(自身を除く): 63877940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277557, 2555114, 5110228, 6387785, 10220456, 12775570, 25551140, 51102280]

約数ペア:

[(1, 51102280), (2, 25551140), (4, 12775570), (5, 10220456), (8, 6387785), (10, 5110228), (20, 2555114), (40, 1277557)]