158221880

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8929}}^1$

素因数の和:9383

約数の個数: 32

約数和(自身を含む): 356842800

約数和(自身を除く): 198620920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 8929, 17720, 17858, 35716, 44645, 71432, 89290, 178580, 357160, 3955547, 7911094, 15822188, 19777735, 31644376, 39555470, 79110940, 158221880]

約数ペア:

[(1, 158221880), (2, 79110940), (4, 39555470), (5, 31644376), (8, 19777735), (10, 15822188), (20, 7911094), (40, 3955547), (443, 357160), (886, 178580), (1772, 89290), (2215, 71432), (3544, 44645), (4430, 35716), (8860, 17858), (8929, 17720)]