25532920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1861}}^1$

素因数の和:1893

約数の個数: 64

約数和(自身を含む): 67032000

約数和(自身を除く): 41499080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1861, 1960, 2744, 3430, 3722, 6860, 7444, 9305, 13027, 13720, 14888, 18610, 26054, 37220, 52108, 65135, 74440, 91189, 104216, 130270, 182378, 260540, 364756, 455945, 521080, 638323, 729512, 911890, 1276646, 1823780, 2553292, 3191615, 3647560, 5106584, 6383230, 12766460, 25532920]

約数ペア:

[(1, 25532920), (2, 12766460), (4, 6383230), (5, 5106584), (7, 3647560), (8, 3191615), (10, 2553292), (14, 1823780), (20, 1276646), (28, 911890), (35, 729512), (40, 638323), (49, 521080), (56, 455945), (70, 364756), (98, 260540), (140, 182378), (196, 130270), (245, 104216), (280, 91189), (343, 74440), (392, 65135), (490, 52108), (686, 37220), (980, 26054), (1372, 18610), (1715, 14888), (1861, 13720), (1960, 13027), (2744, 9305), (3430, 7444), (3722, 6860)]