326712560

素因数分解:

$2^4\times 5^1\times {\mathrm{4083907}}^1$

素因数の和:4083920

約数の個数: 20

約数和(自身を含む): 759606888

約数和(自身を除く): 432894328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4083907, 8167814, 16335628, 20419535, 32671256, 40839070, 65342512, 81678140, 163356280, 326712560]

約数ペア:

[(1, 326712560), (2, 163356280), (4, 81678140), (5, 65342512), (8, 40839070), (10, 32671256), (16, 20419535), (20, 16335628), (40, 8167814), (80, 4083907)]