164076280

素因数分解:

$2^3\times 5^1\times {\mathrm{4101907}}^1$

素因数の和:4101918

約数の個数: 16

約数和(自身を含む): 369171720

約数和(自身を除く): 205095440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4101907, 8203814, 16407628, 20509535, 32815256, 41019070, 82038140, 164076280]

約数ペア:

[(1, 164076280), (2, 82038140), (4, 41019070), (5, 32815256), (8, 20509535), (10, 16407628), (20, 8203814), (40, 4101907)]