55282520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32141}}^1$

素因数の和:32195

約数の個数: 32

約数和(自身を含む): 127282320

約数和(自身を除く): 71999800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32141, 64282, 128564, 160705, 257128, 321410, 642820, 1285640, 1382063, 2764126, 5528252, 6910315, 11056504, 13820630, 27641260, 55282520]

約数ペア:

[(1, 55282520), (2, 27641260), (4, 13820630), (5, 11056504), (8, 6910315), (10, 5528252), (20, 2764126), (40, 1382063), (43, 1285640), (86, 642820), (172, 321410), (215, 257128), (344, 160705), (430, 128564), (860, 64282), (1720, 32141)]