81344950

素因数分解:

$2^1\times 5^2\times {\mathrm{809}}^1\times {\mathrm{2011}}^1$

素因数の和:2832

約数の個数: 24

約数和(自身を含む): 151563960

約数和(自身を除く): 70219010

約数列:

[1, 2, 5, 10, 25, 50, 809, 1618, 2011, 4022, 4045, 8090, 10055, 20110, 20225, 40450, 50275, 100550, 1626899, 3253798, 8134495, 16268990, 40672475, 81344950]

約数ペア:

[(1, 81344950), (2, 40672475), (5, 16268990), (10, 8134495), (25, 3253798), (50, 1626899), (809, 100550), (1618, 50275), (2011, 40450), (4022, 20225), (4045, 20110), (8090, 10055)]