2017498480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{3187}}^1$

素因数の和:3434

約数の個数: 80

約数和(自身を含む): 4831503264

約数和(自身を除く): 2814004784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 193, 205, 328, 386, 410, 656, 772, 820, 965, 1544, 1640, 1930, 3088, 3187, 3280, 3860, 6374, 7720, 7913, 12748, 15440, 15826, 15935, 25496, 31652, 31870, 39565, 50992, 63304, 63740, 79130, 126608, 127480, 130667, 158260, 254960, 261334, 316520, 522668, 615091, 633040, 653335, 1045336, 1230182, 1306670, 2090672, 2460364, 2613340, 3075455, 4920728, 5226680, 6150910, 9841456, 10453360, 12301820, 24603640, 25218731, 49207280, 50437462, 100874924, 126093655, 201749848, 252187310, 403499696, 504374620, 1008749240, 2017498480]

約数ペア:

[(1, 2017498480), (2, 1008749240), (4, 504374620), (5, 403499696), (8, 252187310), (10, 201749848), (16, 126093655), (20, 100874924), (40, 50437462), (41, 49207280), (80, 25218731), (82, 24603640), (164, 12301820), (193, 10453360), (205, 9841456), (328, 6150910), (386, 5226680), (410, 4920728), (656, 3075455), (772, 2613340), (820, 2460364), (965, 2090672), (1544, 1306670), (1640, 1230182), (1930, 1045336), (3088, 653335), (3187, 633040), (3280, 615091), (3860, 522668), (6374, 316520), (7720, 261334), (7913, 254960), (12748, 158260), (15440, 130667), (15826, 127480), (15935, 126608), (25496, 79130), (31652, 63740), (31870, 63304), (39565, 50992)]