12966460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49871}}^1$

素因数の和:49893

約数の個数: 24

約数和(自身を含む): 29324736

約数和(自身を除く): 16358276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49871, 99742, 199484, 249355, 498710, 648323, 997420, 1296646, 2593292, 3241615, 6483230, 12966460]

約数ペア:

[(1, 12966460), (2, 6483230), (4, 3241615), (5, 2593292), (10, 1296646), (13, 997420), (20, 648323), (26, 498710), (52, 249355), (65, 199484), (130, 99742), (260, 49871)]