2165540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8329}}^1$

素因数の和:8351

約数の個数: 24

約数和(自身を含む): 4898040

約数和(自身を除く): 2732500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8329, 16658, 33316, 41645, 83290, 108277, 166580, 216554, 433108, 541385, 1082770, 2165540]

約数ペア:

[(1, 2165540), (2, 1082770), (4, 541385), (5, 433108), (10, 216554), (13, 166580), (20, 108277), (26, 83290), (52, 41645), (65, 33316), (130, 16658), (260, 8329)]