56396860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216911}}^1$

素因数の和:216933

約数の個数: 24

約数和(自身を含む): 127544256

約数和(自身を除く): 71147396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216911, 433822, 867644, 1084555, 2169110, 2819843, 4338220, 5639686, 11279372, 14099215, 28198430, 56396860]

約数ペア:

[(1, 56396860), (2, 28198430), (4, 14099215), (5, 11279372), (10, 5639686), (13, 4338220), (20, 2819843), (26, 2169110), (52, 1084555), (65, 867644), (130, 433822), (260, 216911)]