85408000

素因数分解:

$2^8\times 5^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 226712304

約数和(自身を除く): 141304304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 157, 160, 170, 200, 250, 256, 272, 314, 320, 340, 400, 425, 500, 544, 628, 640, 680, 785, 800, 850, 1000, 1088, 1256, 1280, 1360, 1570, 1600, 1700, 2000, 2125, 2176, 2512, 2669, 2720, 3140, 3200, 3400, 3925, 4000, 4250, 4352, 5024, 5338, 5440, 6280, 6400, 6800, 7850, 8000, 8500, 10048, 10676, 10880, 12560, 13345, 13600, 15700, 16000, 17000, 19625, 20096, 21352, 21760, 25120, 26690, 27200, 31400, 32000, 34000, 39250, 40192, 42704, 50240, 53380, 54400, 62800, 66725, 68000, 78500, 85408, 100480, 106760, 108800, 125600, 133450, 136000, 157000, 170816, 200960, 213520, 251200, 266900, 272000, 314000, 333625, 341632, 427040, 502400, 533800, 544000, 628000, 667250, 683264, 854080, 1004800, 1067600, 1256000, 1334500, 1708160, 2135200, 2512000, 2669000, 3416320, 4270400, 5024000, 5338000, 8540800, 10676000, 17081600, 21352000, 42704000, 85408000]

約数ペア:

[(1, 85408000), (2, 42704000), (4, 21352000), (5, 17081600), (8, 10676000), (10, 8540800), (16, 5338000), (17, 5024000), (20, 4270400), (25, 3416320), (32, 2669000), (34, 2512000), (40, 2135200), (50, 1708160), (64, 1334500), (68, 1256000), (80, 1067600), (85, 1004800), (100, 854080), (125, 683264), (128, 667250), (136, 628000), (157, 544000), (160, 533800), (170, 502400), (200, 427040), (250, 341632), (256, 333625), (272, 314000), (314, 272000), (320, 266900), (340, 251200), (400, 213520), (425, 200960), (500, 170816), (544, 157000), (628, 136000), (640, 133450), (680, 125600), (785, 108800), (800, 106760), (850, 100480), (1000, 85408), (1088, 78500), (1256, 68000), (1280, 66725), (1360, 62800), (1570, 54400), (1600, 53380), (1700, 50240), (2000, 42704), (2125, 40192), (2176, 39250), (2512, 34000), (2669, 32000), (2720, 31400), (3140, 27200), (3200, 26690), (3400, 25120), (3925, 21760), (4000, 21352), (4250, 20096), (4352, 19625), (5024, 17000), (5338, 16000), (5440, 15700), (6280, 13600), (6400, 13345), (6800, 12560), (7850, 10880), (8000, 10676), (8500, 10048)]