2247440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 5629848

約数和(自身を除く): 3382408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2161, 4322, 8644, 10805, 17288, 21610, 28093, 34576, 43220, 56186, 86440, 112372, 140465, 172880, 224744, 280930, 449488, 561860, 1123720, 2247440]

約数ペア:

[(1, 2247440), (2, 1123720), (4, 561860), (5, 449488), (8, 280930), (10, 224744), (13, 172880), (16, 140465), (20, 112372), (26, 86440), (40, 56186), (52, 43220), (65, 34576), (80, 28093), (104, 21610), (130, 17288), (208, 10805), (260, 8644), (520, 4322), (1040, 2161)]