202804880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12739}}^1$

素因数の和:12951

約数の個数: 40

約数和(自身を含む): 473928000

約数和(自身を除く): 271123120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 12739, 15920, 25478, 50956, 63695, 101912, 127390, 203824, 254780, 509560, 1019120, 2535061, 5070122, 10140244, 12675305, 20280488, 25350610, 40560976, 50701220, 101402440, 202804880]

約数ペア:

[(1, 202804880), (2, 101402440), (4, 50701220), (5, 40560976), (8, 25350610), (10, 20280488), (16, 12675305), (20, 10140244), (40, 5070122), (80, 2535061), (199, 1019120), (398, 509560), (796, 254780), (995, 203824), (1592, 127390), (1990, 101912), (3184, 63695), (3980, 50956), (7960, 25478), (12739, 15920)]