2016126125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{4943}}^1$

素因数の和:5222

約数の個数: 32

約数和(自身を含む): 2721019392

約数和(自身を除く): 704893267

約数列:

[1, 5, 13, 25, 65, 125, 251, 325, 1255, 1625, 3263, 4943, 6275, 16315, 24715, 31375, 64259, 81575, 123575, 321295, 407875, 617875, 1240693, 1606475, 6203465, 8032375, 16129009, 31017325, 80645045, 155086625, 403225225, 2016126125]

約数ペア:

[(1, 2016126125), (5, 403225225), (13, 155086625), (25, 80645045), (65, 31017325), (125, 16129009), (251, 8032375), (325, 6203465), (1255, 1606475), (1625, 1240693), (3263, 617875), (4943, 407875), (6275, 321295), (16315, 123575), (24715, 81575), (31375, 64259)]