31713760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 82131840

約数和(自身を除く): 50418080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 193, 208, 260, 316, 386, 395, 416, 520, 632, 772, 790, 965, 1027, 1040, 1264, 1544, 1580, 1930, 2054, 2080, 2509, 2528, 3088, 3160, 3860, 4108, 5018, 5135, 6176, 6320, 7720, 8216, 10036, 10270, 12545, 12640, 15247, 15440, 16432, 20072, 20540, 25090, 30494, 30880, 32864, 40144, 41080, 50180, 60988, 76235, 80288, 82160, 100360, 121976, 152470, 164320, 198211, 200720, 243952, 304940, 396422, 401440, 487904, 609880, 792844, 991055, 1219760, 1585688, 1982110, 2439520, 3171376, 3964220, 6342752, 7928440, 15856880, 31713760]

約数ペア:

[(1, 31713760), (2, 15856880), (4, 7928440), (5, 6342752), (8, 3964220), (10, 3171376), (13, 2439520), (16, 1982110), (20, 1585688), (26, 1219760), (32, 991055), (40, 792844), (52, 609880), (65, 487904), (79, 401440), (80, 396422), (104, 304940), (130, 243952), (158, 200720), (160, 198211), (193, 164320), (208, 152470), (260, 121976), (316, 100360), (386, 82160), (395, 80288), (416, 76235), (520, 60988), (632, 50180), (772, 41080), (790, 40144), (965, 32864), (1027, 30880), (1040, 30494), (1264, 25090), (1544, 20540), (1580, 20072), (1930, 16432), (2054, 15440), (2080, 15247), (2509, 12640), (2528, 12545), (3088, 10270), (3160, 10036), (3860, 8216), (4108, 7720), (5018, 6320), (5135, 6176)]