63643640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 148176000

約数和(自身を除く): 84532360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 349, 376, 388, 470, 485, 698, 776, 940, 970, 1396, 1745, 1880, 1940, 2792, 3490, 3880, 4559, 6980, 9118, 13960, 16403, 18236, 22795, 32806, 33853, 36472, 45590, 65612, 67706, 82015, 91180, 131224, 135412, 164030, 169265, 182360, 270824, 328060, 338530, 656120, 677060, 1354120, 1591091, 3182182, 6364364, 7955455, 12728728, 15910910, 31821820, 63643640]

約数ペア:

[(1, 63643640), (2, 31821820), (4, 15910910), (5, 12728728), (8, 7955455), (10, 6364364), (20, 3182182), (40, 1591091), (47, 1354120), (94, 677060), (97, 656120), (188, 338530), (194, 328060), (235, 270824), (349, 182360), (376, 169265), (388, 164030), (470, 135412), (485, 131224), (698, 91180), (776, 82015), (940, 67706), (970, 65612), (1396, 45590), (1745, 36472), (1880, 33853), (1940, 32806), (2792, 22795), (3490, 18236), (3880, 16403), (4559, 13960), (6980, 9118)]