13408400

素因数分解:

$2^4\times 5^2\times {\mathrm{33521}}^1$

素因数の和:33539

約数の個数: 30

約数和(自身を含む): 32214642

約数和(自身を除く): 18806242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 33521, 67042, 134084, 167605, 268168, 335210, 536336, 670420, 838025, 1340840, 1676050, 2681680, 3352100, 6704200, 13408400]

約数ペア:

[(1, 13408400), (2, 6704200), (4, 3352100), (5, 2681680), (8, 1676050), (10, 1340840), (16, 838025), (20, 670420), (25, 536336), (40, 335210), (50, 268168), (80, 167605), (100, 134084), (200, 67042), (400, 33521)]