8278640

素因数分解:

$2^4\times 5^1\times {\mathrm{103483}}^1$

素因数の和:103496

約数の個数: 20

約数和(自身を含む): 19248024

約数和(自身を除く): 10969384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103483, 206966, 413932, 517415, 827864, 1034830, 1655728, 2069660, 4139320, 8278640]

約数ペア:

[(1, 8278640), (2, 4139320), (4, 2069660), (5, 1655728), (8, 1034830), (10, 827864), (16, 517415), (20, 413932), (40, 206966), (80, 103483)]