135771880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47807}}^1$

素因数の和:47889

約数の個数: 32

約数和(自身を含む): 309795840

約数和(自身を除く): 174023960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 47807, 95614, 191228, 239035, 382456, 478070, 956140, 1912280, 3394297, 6788594, 13577188, 16971485, 27154376, 33942970, 67885940, 135771880]

約数ペア:

[(1, 135771880), (2, 67885940), (4, 33942970), (5, 27154376), (8, 16971485), (10, 13577188), (20, 6788594), (40, 3394297), (71, 1912280), (142, 956140), (284, 478070), (355, 382456), (568, 239035), (710, 191228), (1420, 95614), (2840, 47807)]