521620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2371}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 1195488

約数和(自身を除く): 673868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2371, 4742, 9484, 11855, 23710, 26081, 47420, 52162, 104324, 130405, 260810, 521620]

約数ペア:

[(1, 521620), (2, 260810), (4, 130405), (5, 104324), (10, 52162), (11, 47420), (20, 26081), (22, 23710), (44, 11855), (55, 9484), (110, 4742), (220, 2371)]