68656400

素因数分解:

$2^4\times 5^2\times {\mathrm{171641}}^1$

素因数の和:171659

約数の個数: 30

約数和(自身を含む): 164947962

約数和(自身を除く): 96291562

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171641, 343282, 686564, 858205, 1373128, 1716410, 2746256, 3432820, 4291025, 6865640, 8582050, 13731280, 17164100, 34328200, 68656400]

約数ペア:

[(1, 68656400), (2, 34328200), (4, 17164100), (5, 13731280), (8, 8582050), (10, 6865640), (16, 4291025), (20, 3432820), (25, 2746256), (40, 1716410), (50, 1373128), (80, 858205), (100, 686564), (200, 343282), (400, 171641)]