144497680

素因数分解:

$2^4\times 5^1\times {\mathrm{1806221}}^1$

素因数の和:1806234

約数の個数: 20

約数和(自身を含む): 335957292

約数和(自身を除く): 191459612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1806221, 3612442, 7224884, 9031105, 14449768, 18062210, 28899536, 36124420, 72248840, 144497680]

約数ペア:

[(1, 144497680), (2, 72248840), (4, 36124420), (5, 28899536), (8, 18062210), (10, 14449768), (16, 9031105), (20, 7224884), (40, 3612442), (80, 1806221)]