51987880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2338

約数の個数: 64

約数和(自身を含む): 135354240

約数和(自身を除く): 83366360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2237, 2324, 2905, 3320, 4474, 4648, 5810, 8948, 11185, 11620, 15659, 17896, 22370, 23240, 31318, 44740, 62636, 78295, 89480, 125272, 156590, 185671, 313180, 371342, 626360, 742684, 928355, 1299697, 1485368, 1856710, 2599394, 3713420, 5198788, 6498485, 7426840, 10397576, 12996970, 25993940, 51987880]

約数ペア:

[(1, 51987880), (2, 25993940), (4, 12996970), (5, 10397576), (7, 7426840), (8, 6498485), (10, 5198788), (14, 3713420), (20, 2599394), (28, 1856710), (35, 1485368), (40, 1299697), (56, 928355), (70, 742684), (83, 626360), (140, 371342), (166, 313180), (280, 185671), (332, 156590), (415, 125272), (581, 89480), (664, 78295), (830, 62636), (1162, 44740), (1660, 31318), (2237, 23240), (2324, 22370), (2905, 17896), (3320, 15659), (4474, 11620), (4648, 11185), (5810, 8948)]