79685840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 201060048

約数和(自身を除く): 121374208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 260, 386, 397, 520, 772, 794, 965, 1040, 1544, 1588, 1930, 1985, 2509, 3088, 3176, 3860, 3970, 5018, 5161, 6352, 7720, 7940, 10036, 10322, 12545, 15440, 15880, 20072, 20644, 25090, 25805, 31760, 40144, 41288, 50180, 51610, 76621, 82576, 100360, 103220, 153242, 200720, 206440, 306484, 383105, 412880, 612968, 766210, 996073, 1225936, 1532420, 1992146, 3064840, 3984292, 4980365, 6129680, 7968584, 9960730, 15937168, 19921460, 39842920, 79685840]

約数ペア:

[(1, 79685840), (2, 39842920), (4, 19921460), (5, 15937168), (8, 9960730), (10, 7968584), (13, 6129680), (16, 4980365), (20, 3984292), (26, 3064840), (40, 1992146), (52, 1532420), (65, 1225936), (80, 996073), (104, 766210), (130, 612968), (193, 412880), (208, 383105), (260, 306484), (386, 206440), (397, 200720), (520, 153242), (772, 103220), (794, 100360), (965, 82576), (1040, 76621), (1544, 51610), (1588, 50180), (1930, 41288), (1985, 40144), (2509, 31760), (3088, 25805), (3176, 25090), (3860, 20644), (3970, 20072), (5018, 15880), (5161, 15440), (6352, 12545), (7720, 10322), (7940, 10036)]