8994320

素因数分解:

$2^4\times 5^1\times {\mathrm{112429}}^1$

素因数の和:112442

約数の個数: 20

約数和(自身を含む): 20911980

約数和(自身を除く): 11917660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112429, 224858, 449716, 562145, 899432, 1124290, 1798864, 2248580, 4497160, 8994320]

約数ペア:

[(1, 8994320), (2, 4497160), (4, 2248580), (5, 1798864), (8, 1124290), (10, 899432), (16, 562145), (20, 449716), (40, 224858), (80, 112429)]