8281400

素因数分解:

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

素因数の和:944

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11404840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 881, 940, 1175, 1762, 1880, 2350, 3524, 4405, 4700, 7048, 8810, 9400, 17620, 22025, 35240, 41407, 44050, 82814, 88100, 165628, 176200, 207035, 331256, 414070, 828140, 1035175, 1656280, 2070350, 4140700, 8281400]

約数ペア:

[(1, 8281400), (2, 4140700), (4, 2070350), (5, 1656280), (8, 1035175), (10, 828140), (20, 414070), (25, 331256), (40, 207035), (47, 176200), (50, 165628), (94, 88100), (100, 82814), (188, 44050), (200, 41407), (235, 35240), (376, 22025), (470, 17620), (881, 9400), (940, 8810), (1175, 7048), (1762, 4700), (1880, 4405), (2350, 3524)]