51747800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 130365540

約数和(自身を除く): 78617740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1531, 1690, 2600, 3062, 3380, 4225, 6124, 6760, 7655, 8450, 12248, 15310, 16900, 19903, 30620, 33800, 38275, 39806, 61240, 76550, 79612, 99515, 153100, 159224, 199030, 258739, 306200, 398060, 497575, 517478, 796120, 995150, 1034956, 1293695, 1990300, 2069912, 2587390, 3980600, 5174780, 6468475, 10349560, 12936950, 25873900, 51747800]

約数ペア:

[(1, 51747800), (2, 25873900), (4, 12936950), (5, 10349560), (8, 6468475), (10, 5174780), (13, 3980600), (20, 2587390), (25, 2069912), (26, 1990300), (40, 1293695), (50, 1034956), (52, 995150), (65, 796120), (100, 517478), (104, 497575), (130, 398060), (169, 306200), (200, 258739), (260, 199030), (325, 159224), (338, 153100), (520, 99515), (650, 79612), (676, 76550), (845, 61240), (1300, 39806), (1352, 38275), (1531, 33800), (1690, 30620), (2600, 19903), (3062, 16900), (3380, 15310), (4225, 12248), (6124, 8450), (6760, 7655)]