25638625

素因数分解:

$5^3\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 32138496

約数和(自身を除く): 6499871

約数列:

[1, 5, 25, 125, 443, 463, 2215, 2315, 11075, 11575, 55375, 57875, 205109, 1025545, 5127725, 25638625]

約数ペア:

[(1, 25638625), (5, 5127725), (25, 1025545), (125, 205109), (443, 57875), (463, 55375), (2215, 11575), (2315, 11075)]