56457440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27143}}^1$

素因数の和:27171

約数の個数: 48

約数和(自身を含む): 143646048

約数和(自身を除く): 87188608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 27143, 54286, 108572, 135715, 217144, 271430, 352859, 434288, 542860, 705718, 868576, 1085720, 1411436, 1764295, 2171440, 2822872, 3528590, 4342880, 5645744, 7057180, 11291488, 14114360, 28228720, 56457440]

約数ペア:

[(1, 56457440), (2, 28228720), (4, 14114360), (5, 11291488), (8, 7057180), (10, 5645744), (13, 4342880), (16, 3528590), (20, 2822872), (26, 2171440), (32, 1764295), (40, 1411436), (52, 1085720), (65, 868576), (80, 705718), (104, 542860), (130, 434288), (160, 352859), (208, 271430), (260, 217144), (416, 135715), (520, 108572), (1040, 54286), (2080, 27143)]