12466220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47947}}^1$

素因数の和:47969

約数の個数: 24

約数和(自身を含む): 28193424

約数和(自身を除く): 15727204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47947, 95894, 191788, 239735, 479470, 623311, 958940, 1246622, 2493244, 3116555, 6233110, 12466220]

約数ペア:

[(1, 12466220), (2, 6233110), (4, 3116555), (5, 2493244), (10, 1246622), (13, 958940), (20, 623311), (26, 479470), (52, 239735), (65, 191788), (130, 95894), (260, 47947)]