85475840

素因数分解:

$2^9\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 207194328

約数和(自身を除く): 121718488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 193, 256, 320, 346, 386, 512, 640, 692, 772, 865, 965, 1280, 1384, 1544, 1730, 1930, 2560, 2768, 3088, 3460, 3860, 5536, 6176, 6920, 7720, 11072, 12352, 13840, 15440, 22144, 24704, 27680, 30880, 33389, 44288, 49408, 55360, 61760, 66778, 88576, 98816, 110720, 123520, 133556, 166945, 221440, 247040, 267112, 333890, 442880, 494080, 534224, 667780, 1068448, 1335560, 2136896, 2671120, 4273792, 5342240, 8547584, 10684480, 17095168, 21368960, 42737920, 85475840]

約数ペア:

[(1, 85475840), (2, 42737920), (4, 21368960), (5, 17095168), (8, 10684480), (10, 8547584), (16, 5342240), (20, 4273792), (32, 2671120), (40, 2136896), (64, 1335560), (80, 1068448), (128, 667780), (160, 534224), (173, 494080), (193, 442880), (256, 333890), (320, 267112), (346, 247040), (386, 221440), (512, 166945), (640, 133556), (692, 123520), (772, 110720), (865, 98816), (965, 88576), (1280, 66778), (1384, 61760), (1544, 55360), (1730, 49408), (1930, 44288), (2560, 33389), (2768, 30880), (3088, 27680), (3460, 24704), (3860, 22144), (5536, 15440), (6176, 13840), (6920, 12352), (7720, 11072)]