12405380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47713}}^1$

素因数の和:47735

約数の個数: 24

約数和(自身を含む): 28055832

約数和(自身を除く): 15650452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47713, 95426, 190852, 238565, 477130, 620269, 954260, 1240538, 2481076, 3101345, 6202690, 12405380]

約数ペア:

[(1, 12405380), (2, 6202690), (4, 3101345), (5, 2481076), (10, 1240538), (13, 954260), (20, 620269), (26, 477130), (52, 238565), (65, 190852), (130, 95426), (260, 47713)]