85122560

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 209330352

約数和(自身を除く): 124207792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 811, 820, 1280, 1312, 1622, 1640, 2560, 2624, 3244, 3280, 4055, 5248, 6488, 6560, 8110, 10496, 12976, 13120, 16220, 20992, 25952, 26240, 32440, 33251, 51904, 52480, 64880, 66502, 103808, 104960, 129760, 133004, 166255, 207616, 259520, 266008, 332510, 415232, 519040, 532016, 665020, 1038080, 1064032, 1330040, 2076160, 2128064, 2660080, 4256128, 5320160, 8512256, 10640320, 17024512, 21280640, 42561280, 85122560]

約数ペア:

[(1, 85122560), (2, 42561280), (4, 21280640), (5, 17024512), (8, 10640320), (10, 8512256), (16, 5320160), (20, 4256128), (32, 2660080), (40, 2128064), (41, 2076160), (64, 1330040), (80, 1064032), (82, 1038080), (128, 665020), (160, 532016), (164, 519040), (205, 415232), (256, 332510), (320, 266008), (328, 259520), (410, 207616), (512, 166255), (640, 133004), (656, 129760), (811, 104960), (820, 103808), (1280, 66502), (1312, 64880), (1622, 52480), (1640, 51904), (2560, 33251), (2624, 32440), (3244, 26240), (3280, 25952), (4055, 20992), (5248, 16220), (6488, 13120), (6560, 12976), (8110, 10496)]