16979120

素因数分解:

$2^4\times 5^1\times {\mathrm{212239}}^1$

素因数の和:212252

約数の個数: 20

約数和(自身を含む): 39476640

約数和(自身を除く): 22497520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212239, 424478, 848956, 1061195, 1697912, 2122390, 3395824, 4244780, 8489560, 16979120]

約数ペア:

[(1, 16979120), (2, 8489560), (4, 4244780), (5, 3395824), (8, 2122390), (10, 1697912), (16, 1061195), (20, 848956), (40, 424478), (80, 212239)]