81823960

素因数分解:

$2^3\times 5^1\times {\mathrm{2045599}}^1$

素因数の和:2045610

約数の個数: 16

約数和(自身を含む): 184104000

約数和(自身を除く): 102280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2045599, 4091198, 8182396, 10227995, 16364792, 20455990, 40911980, 81823960]

約数ペア:

[(1, 81823960), (2, 40911980), (4, 20455990), (5, 16364792), (8, 10227995), (10, 8182396), (20, 4091198), (40, 2045599)]