828140

素因数分解:

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

素因数の和:937

約数の個数: 24

約数和(自身を含む): 1778112

約数和(自身を除く): 949972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 881, 940, 1762, 3524, 4405, 8810, 17620, 41407, 82814, 165628, 207035, 414070, 828140]

約数ペア:

[(1, 828140), (2, 414070), (4, 207035), (5, 165628), (10, 82814), (20, 41407), (47, 17620), (94, 8810), (188, 4405), (235, 3524), (470, 1762), (881, 940)]