13905520

素因数分解:

$2^4\times 5^1\times {\mathrm{173819}}^1$

素因数の和:173832

約数の個数: 20

約数和(自身を含む): 32330520

約数和(自身を除く): 18425000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173819, 347638, 695276, 869095, 1390552, 1738190, 2781104, 3476380, 6952760, 13905520]

約数ペア:

[(1, 13905520), (2, 6952760), (4, 3476380), (5, 2781104), (8, 1738190), (10, 1390552), (16, 869095), (20, 695276), (40, 347638), (80, 173819)]