12936400

素因数分解:

$2^4\times 5^2\times {\mathrm{32341}}^1$

素因数の和:32359

約数の個数: 30

約数和(自身を含む): 31080662

約数和(自身を除く): 18144262

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32341, 64682, 129364, 161705, 258728, 323410, 517456, 646820, 808525, 1293640, 1617050, 2587280, 3234100, 6468200, 12936400]

約数ペア:

[(1, 12936400), (2, 6468200), (4, 3234100), (5, 2587280), (8, 1617050), (10, 1293640), (16, 808525), (20, 646820), (25, 517456), (40, 323410), (50, 258728), (80, 161705), (100, 129364), (200, 64682), (400, 32341)]