28674320

素因数分解:

$2^4\times 5^1\times {\mathrm{358429}}^1$

素因数の和:358442

約数の個数: 20

約数和(自身を含む): 66667980

約数和(自身を除く): 37993660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358429, 716858, 1433716, 1792145, 2867432, 3584290, 5734864, 7168580, 14337160, 28674320]

約数ペア:

[(1, 28674320), (2, 14337160), (4, 7168580), (5, 5734864), (8, 3584290), (10, 2867432), (16, 1792145), (20, 1433716), (40, 716858), (80, 358429)]