1656280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 3810240

約数和(自身を除く): 2153960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 881, 940, 1762, 1880, 3524, 4405, 7048, 8810, 17620, 35240, 41407, 82814, 165628, 207035, 331256, 414070, 828140, 1656280]

約数ペア:

[(1, 1656280), (2, 828140), (4, 414070), (5, 331256), (8, 207035), (10, 165628), (20, 82814), (40, 41407), (47, 35240), (94, 17620), (188, 8810), (235, 7048), (376, 4405), (470, 3524), (881, 1880), (940, 1762)]