66617860

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2237}}^1$

素因数の和:3735

約数の個数: 24

約数和(自身を含む): 140054040

約数和(自身を除く): 73436180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2237, 2978, 4474, 5956, 7445, 8948, 11185, 14890, 22370, 29780, 44740, 3330893, 6661786, 13323572, 16654465, 33308930, 66617860]

約数ペア:

[(1, 66617860), (2, 33308930), (4, 16654465), (5, 13323572), (10, 6661786), (20, 3330893), (1489, 44740), (2237, 29780), (2978, 22370), (4474, 14890), (5956, 11185), (7445, 8948)]