80821156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{2621}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 152631864

約数和(自身を除く): 71810708

約数列:

[1, 2, 4, 13, 26, 52, 593, 1186, 2372, 2621, 5242, 7709, 10484, 15418, 30836, 34073, 68146, 136292, 1554253, 3108506, 6217012, 20205289, 40410578, 80821156]

約数ペア:

[(1, 80821156), (2, 40410578), (4, 20205289), (13, 6217012), (26, 3108506), (52, 1554253), (593, 136292), (1186, 68146), (2372, 34073), (2621, 30836), (5242, 15418), (7709, 10484)]