10781620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 23485644

約数和(自身を除く): 12704024

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 641, 841, 1282, 1682, 2564, 3205, 3364, 4205, 6410, 8410, 12820, 16820, 18589, 37178, 74356, 92945, 185890, 371780, 539081, 1078162, 2156324, 2695405, 5390810, 10781620]

約数ペア:

[(1, 10781620), (2, 5390810), (4, 2695405), (5, 2156324), (10, 1078162), (20, 539081), (29, 371780), (58, 185890), (116, 92945), (145, 74356), (290, 37178), (580, 18589), (641, 16820), (841, 12820), (1282, 8410), (1682, 6410), (2564, 4205), (3205, 3364)]