817995040

素因数分解:

$2^5\times 5^1\times {\mathrm{5112469}}^1$

素因数の和:5112484

約数の個数: 24

約数和(自身を含む): 1932513660

約数和(自身を除く): 1114518620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5112469, 10224938, 20449876, 25562345, 40899752, 51124690, 81799504, 102249380, 163599008, 204498760, 408997520, 817995040]

約数ペア:

[(1, 817995040), (2, 408997520), (4, 204498760), (5, 163599008), (8, 102249380), (10, 81799504), (16, 51124690), (20, 40899752), (32, 25562345), (40, 20449876), (80, 10224938), (160, 5112469)]