25509620

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4507}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 53771424

約数和(自身を除く): 28261804

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 4507, 5660, 9014, 18028, 22535, 45070, 90140, 1275481, 2550962, 5101924, 6377405, 12754810, 25509620]

約数ペア:

[(1, 25509620), (2, 12754810), (4, 6377405), (5, 5101924), (10, 2550962), (20, 1275481), (283, 90140), (566, 45070), (1132, 22535), (1415, 18028), (2830, 9014), (4507, 5660)]