12940145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6619}}^1$

素因数の和:6664

約数の個数: 16

約数和(自身を含む): 17159040

約数和(自身を除く): 4218895

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 6619, 33095, 112523, 152237, 562615, 761185, 2588029, 12940145]

約数ペア:

[(1, 12940145), (5, 2588029), (17, 761185), (23, 562615), (85, 152237), (115, 112523), (391, 33095), (1955, 6619)]