66540580

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17419}}^1$

素因数の和:17619

約数の個数: 24

約数和(自身を含む): 140474880

約数和(自身を除く): 73934300

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 17419, 34838, 69676, 87095, 174190, 348380, 3327029, 6654058, 13308116, 16635145, 33270290, 66540580]

約数ペア:

[(1, 66540580), (2, 33270290), (4, 16635145), (5, 13308116), (10, 6654058), (20, 3327029), (191, 348380), (382, 174190), (764, 87095), (955, 69676), (1910, 34838), (3820, 17419)]