80432000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 218630880

約数和(自身を除く): 138198880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 320, 352, 400, 440, 457, 500, 550, 640, 704, 800, 880, 914, 1000, 1100, 1375, 1408, 1600, 1760, 1828, 2000, 2200, 2285, 2750, 3200, 3520, 3656, 4000, 4400, 4570, 5027, 5500, 7040, 7312, 8000, 8800, 9140, 10054, 11000, 11425, 14624, 16000, 17600, 18280, 20108, 22000, 22850, 25135, 29248, 35200, 36560, 40216, 44000, 45700, 50270, 57125, 58496, 73120, 80432, 88000, 91400, 100540, 114250, 125675, 146240, 160864, 176000, 182800, 201080, 228500, 251350, 292480, 321728, 365600, 402160, 457000, 502700, 628375, 643456, 731200, 804320, 914000, 1005400, 1256750, 1462400, 1608640, 1828000, 2010800, 2513500, 3217280, 3656000, 4021600, 5027000, 7312000, 8043200, 10054000, 16086400, 20108000, 40216000, 80432000]

約数ペア:

[(1, 80432000), (2, 40216000), (4, 20108000), (5, 16086400), (8, 10054000), (10, 8043200), (11, 7312000), (16, 5027000), (20, 4021600), (22, 3656000), (25, 3217280), (32, 2513500), (40, 2010800), (44, 1828000), (50, 1608640), (55, 1462400), (64, 1256750), (80, 1005400), (88, 914000), (100, 804320), (110, 731200), (125, 643456), (128, 628375), (160, 502700), (176, 457000), (200, 402160), (220, 365600), (250, 321728), (275, 292480), (320, 251350), (352, 228500), (400, 201080), (440, 182800), (457, 176000), (500, 160864), (550, 146240), (640, 125675), (704, 114250), (800, 100540), (880, 91400), (914, 88000), (1000, 80432), (1100, 73120), (1375, 58496), (1408, 57125), (1600, 50270), (1760, 45700), (1828, 44000), (2000, 40216), (2200, 36560), (2285, 35200), (2750, 29248), (3200, 25135), (3520, 22850), (3656, 22000), (4000, 20108), (4400, 18280), (4570, 17600), (5027, 16000), (5500, 14624), (7040, 11425), (7312, 11000), (8000, 10054), (8800, 9140)]