813342400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39103}}^1$

素因数の和:39138

約数の個数: 84

約数和(自身を含む): 2155334272

約数和(自身を除く): 1341991872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 5200, 10400, 20800, 39103, 78206, 156412, 195515, 312824, 391030, 508339, 625648, 782060, 977575, 1016678, 1251296, 1564120, 1955150, 2033356, 2502592, 2541695, 3128240, 3910300, 4066712, 5083390, 6256480, 7820600, 8133424, 10166780, 12512960, 12708475, 15641200, 16266848, 20333560, 25416950, 31282400, 32533696, 40667120, 50833900, 62564800, 81334240, 101667800, 162668480, 203335600, 406671200, 813342400]

約数ペア:

[(1, 813342400), (2, 406671200), (4, 203335600), (5, 162668480), (8, 101667800), (10, 81334240), (13, 62564800), (16, 50833900), (20, 40667120), (25, 32533696), (26, 31282400), (32, 25416950), (40, 20333560), (50, 16266848), (52, 15641200), (64, 12708475), (65, 12512960), (80, 10166780), (100, 8133424), (104, 7820600), (130, 6256480), (160, 5083390), (200, 4066712), (208, 3910300), (260, 3128240), (320, 2541695), (325, 2502592), (400, 2033356), (416, 1955150), (520, 1564120), (650, 1251296), (800, 1016678), (832, 977575), (1040, 782060), (1300, 625648), (1600, 508339), (2080, 391030), (2600, 312824), (4160, 195515), (5200, 156412), (10400, 78206), (20800, 39103)]