55105840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40519}}^1$

素因数の和:40549

約数の個数: 40

約数和(自身を含む): 135660960

約数和(自身を除く): 80555120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 40519, 81038, 162076, 202595, 324152, 405190, 648304, 688823, 810380, 1377646, 1620760, 2755292, 3241520, 3444115, 5510584, 6888230, 11021168, 13776460, 27552920, 55105840]

約数ペア:

[(1, 55105840), (2, 27552920), (4, 13776460), (5, 11021168), (8, 6888230), (10, 5510584), (16, 3444115), (17, 3241520), (20, 2755292), (34, 1620760), (40, 1377646), (68, 810380), (80, 688823), (85, 648304), (136, 405190), (170, 324152), (272, 202595), (340, 162076), (680, 81038), (1360, 40519)]