216933520

素因数分解:

$2^4\times 5^1\times {\mathrm{2711669}}^1$

素因数の和:2711682

約数の個数: 20

約数和(自身を含む): 504370620

約数和(自身を除く): 287437100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2711669, 5423338, 10846676, 13558345, 21693352, 27116690, 43386704, 54233380, 108466760, 216933520]

約数ペア:

[(1, 216933520), (2, 108466760), (4, 54233380), (5, 43386704), (8, 27116690), (10, 21693352), (16, 13558345), (20, 10846676), (40, 5423338), (80, 2711669)]