26758480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 72209664

約数和(自身を除く): 45451184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 673, 710, 994, 1136, 1346, 1420, 1988, 2485, 2692, 2840, 3365, 3976, 4711, 4970, 5384, 5680, 6730, 7952, 9422, 9940, 10768, 13460, 18844, 19880, 23555, 26920, 37688, 39760, 47110, 47783, 53840, 75376, 94220, 95566, 188440, 191132, 238915, 334481, 376880, 382264, 477830, 668962, 764528, 955660, 1337924, 1672405, 1911320, 2675848, 3344810, 3822640, 5351696, 6689620, 13379240, 26758480]

約数ペア:

[(1, 26758480), (2, 13379240), (4, 6689620), (5, 5351696), (7, 3822640), (8, 3344810), (10, 2675848), (14, 1911320), (16, 1672405), (20, 1337924), (28, 955660), (35, 764528), (40, 668962), (56, 477830), (70, 382264), (71, 376880), (80, 334481), (112, 238915), (140, 191132), (142, 188440), (280, 95566), (284, 94220), (355, 75376), (497, 53840), (560, 47783), (568, 47110), (673, 39760), (710, 37688), (994, 26920), (1136, 23555), (1346, 19880), (1420, 18844), (1988, 13460), (2485, 10768), (2692, 9940), (2840, 9422), (3365, 7952), (3976, 6730), (4711, 5680), (4970, 5384)]