56297320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 131725440

約数和(自身を除く): 75428120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 461, 568, 710, 860, 922, 1420, 1720, 1844, 2305, 2840, 3053, 3688, 4610, 6106, 9220, 12212, 15265, 18440, 19823, 24424, 30530, 32731, 39646, 61060, 65462, 79292, 99115, 122120, 130924, 158584, 163655, 198230, 261848, 327310, 396460, 654620, 792920, 1309240, 1407433, 2814866, 5629732, 7037165, 11259464, 14074330, 28148660, 56297320]

約数ペア:

[(1, 56297320), (2, 28148660), (4, 14074330), (5, 11259464), (8, 7037165), (10, 5629732), (20, 2814866), (40, 1407433), (43, 1309240), (71, 792920), (86, 654620), (142, 396460), (172, 327310), (215, 261848), (284, 198230), (344, 163655), (355, 158584), (430, 130924), (461, 122120), (568, 99115), (710, 79292), (860, 65462), (922, 61060), (1420, 39646), (1720, 32731), (1844, 30530), (2305, 24424), (2840, 19823), (3053, 18440), (3688, 15265), (4610, 12212), (6106, 9220)]