8229520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 21217392

約数和(自身を除く): 12987872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 193, 205, 208, 260, 328, 386, 410, 520, 533, 656, 772, 820, 965, 1040, 1066, 1544, 1640, 1930, 2132, 2509, 2665, 3088, 3280, 3860, 4264, 5018, 5330, 7720, 7913, 8528, 10036, 10660, 12545, 15440, 15826, 20072, 21320, 25090, 31652, 39565, 40144, 42640, 50180, 63304, 79130, 100360, 102869, 126608, 158260, 200720, 205738, 316520, 411476, 514345, 633040, 822952, 1028690, 1645904, 2057380, 4114760, 8229520]

約数ペア:

[(1, 8229520), (2, 4114760), (4, 2057380), (5, 1645904), (8, 1028690), (10, 822952), (13, 633040), (16, 514345), (20, 411476), (26, 316520), (40, 205738), (41, 200720), (52, 158260), (65, 126608), (80, 102869), (82, 100360), (104, 79130), (130, 63304), (164, 50180), (193, 42640), (205, 40144), (208, 39565), (260, 31652), (328, 25090), (386, 21320), (410, 20072), (520, 15826), (533, 15440), (656, 12545), (772, 10660), (820, 10036), (965, 8528), (1040, 7913), (1066, 7720), (1544, 5330), (1640, 5018), (1930, 4264), (2132, 3860), (2509, 3280), (2665, 3088)]