66125140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46567}}^1$

素因数の和:46647

約数の個数: 24

約数和(自身を含む): 140821632

約数和(自身を除く): 74696492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46567, 93134, 186268, 232835, 465670, 931340, 3306257, 6612514, 13225028, 16531285, 33062570, 66125140]

約数ペア:

[(1, 66125140), (2, 33062570), (4, 16531285), (5, 13225028), (10, 6612514), (20, 3306257), (71, 931340), (142, 465670), (284, 232835), (355, 186268), (710, 93134), (1420, 46567)]