161708480

素因数分解:

$2^6\times 5^1\times {\mathrm{505339}}^1$

素因数の和:505356

約数の個数: 28

約数和(自身を含む): 385069080

約数和(自身を除く): 223360600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 505339, 1010678, 2021356, 2526695, 4042712, 5053390, 8085424, 10106780, 16170848, 20213560, 32341696, 40427120, 80854240, 161708480]

約数ペア:

[(1, 161708480), (2, 80854240), (4, 40427120), (5, 32341696), (8, 20213560), (10, 16170848), (16, 10106780), (20, 8085424), (32, 5053390), (40, 4042712), (64, 2526695), (80, 2021356), (160, 1010678), (320, 505339)]