25217725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2503}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 34775552

約数和(自身を除く): 9557827

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 2503, 10075, 12515, 32539, 62575, 77593, 162695, 387965, 813475, 1008709, 1939825, 5043545, 25217725]

約数ペア:

[(1, 25217725), (5, 5043545), (13, 1939825), (25, 1008709), (31, 813475), (65, 387965), (155, 162695), (325, 77593), (403, 62575), (775, 32539), (2015, 12515), (2503, 10075)]