26869375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3307}}^1$

素因数の和:3340

約数の個数: 20

約数和(自身を含む): 36169672

約数和(自身を除く): 9300297

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3307, 8125, 16535, 42991, 82675, 214955, 413375, 1074775, 2066875, 5373875, 26869375]

約数ペア:

[(1, 26869375), (5, 5373875), (13, 2066875), (25, 1074775), (65, 413375), (125, 214955), (325, 82675), (625, 42991), (1625, 16535), (3307, 8125)]