18803200

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 50613948

約数和(自身を除く): 31810748

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 113, 128, 130, 160, 200, 208, 226, 256, 260, 320, 325, 400, 416, 452, 512, 520, 565, 640, 650, 800, 832, 904, 1040, 1130, 1280, 1300, 1469, 1600, 1664, 1808, 2080, 2260, 2560, 2600, 2825, 2938, 3200, 3328, 3616, 4160, 4520, 5200, 5650, 5876, 6400, 6656, 7232, 7345, 8320, 9040, 10400, 11300, 11752, 12800, 14464, 14690, 16640, 18080, 20800, 22600, 23504, 28928, 29380, 33280, 36160, 36725, 41600, 45200, 47008, 57856, 58760, 72320, 73450, 83200, 90400, 94016, 117520, 144640, 146900, 166400, 180800, 188032, 235040, 289280, 293800, 361600, 376064, 470080, 587600, 723200, 752128, 940160, 1175200, 1446400, 1880320, 2350400, 3760640, 4700800, 9401600, 18803200]

約数ペア:

[(1, 18803200), (2, 9401600), (4, 4700800), (5, 3760640), (8, 2350400), (10, 1880320), (13, 1446400), (16, 1175200), (20, 940160), (25, 752128), (26, 723200), (32, 587600), (40, 470080), (50, 376064), (52, 361600), (64, 293800), (65, 289280), (80, 235040), (100, 188032), (104, 180800), (113, 166400), (128, 146900), (130, 144640), (160, 117520), (200, 94016), (208, 90400), (226, 83200), (256, 73450), (260, 72320), (320, 58760), (325, 57856), (400, 47008), (416, 45200), (452, 41600), (512, 36725), (520, 36160), (565, 33280), (640, 29380), (650, 28928), (800, 23504), (832, 22600), (904, 20800), (1040, 18080), (1130, 16640), (1280, 14690), (1300, 14464), (1469, 12800), (1600, 11752), (1664, 11300), (1808, 10400), (2080, 9040), (2260, 8320), (2560, 7345), (2600, 7232), (2825, 6656), (2938, 6400), (3200, 5876), (3328, 5650), (3616, 5200), (4160, 4520)]