80385788

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{15031}}^1$

素因数の和:15233

約数の個数: 24

約数和(自身を含む): 161624064

約数和(自身を除く): 81238276

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 15031, 30062, 60124, 105217, 210434, 420868, 2870921, 5741842, 11483684, 20096447, 40192894, 80385788]

約数ペア:

[(1, 80385788), (2, 40192894), (4, 20096447), (7, 11483684), (14, 5741842), (28, 2870921), (191, 420868), (382, 210434), (764, 105217), (1337, 60124), (2674, 30062), (5348, 15031)]