80821400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 217151280

約数和(自身を除く): 136329880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 136, 170, 187, 200, 220, 275, 340, 374, 425, 440, 550, 680, 748, 850, 935, 1100, 1496, 1700, 1870, 2161, 2200, 3400, 3740, 4322, 4675, 7480, 8644, 9350, 10805, 17288, 18700, 21610, 23771, 36737, 37400, 43220, 47542, 54025, 73474, 86440, 95084, 108050, 118855, 146948, 183685, 190168, 216100, 237710, 293896, 367370, 404107, 432200, 475420, 594275, 734740, 808214, 918425, 950840, 1188550, 1469480, 1616428, 1836850, 2020535, 2377100, 3232856, 3673700, 4041070, 4754200, 7347400, 8082140, 10102675, 16164280, 20205350, 40410700, 80821400]

約数ペア:

[(1, 80821400), (2, 40410700), (4, 20205350), (5, 16164280), (8, 10102675), (10, 8082140), (11, 7347400), (17, 4754200), (20, 4041070), (22, 3673700), (25, 3232856), (34, 2377100), (40, 2020535), (44, 1836850), (50, 1616428), (55, 1469480), (68, 1188550), (85, 950840), (88, 918425), (100, 808214), (110, 734740), (136, 594275), (170, 475420), (187, 432200), (200, 404107), (220, 367370), (275, 293896), (340, 237710), (374, 216100), (425, 190168), (440, 183685), (550, 146948), (680, 118855), (748, 108050), (850, 95084), (935, 86440), (1100, 73474), (1496, 54025), (1700, 47542), (1870, 43220), (2161, 37400), (2200, 36737), (3400, 23771), (3740, 21610), (4322, 18700), (4675, 17288), (7480, 10805), (8644, 9350)]