20176400

素因数分解:

$2^4\times 5^2\times {\mathrm{50441}}^1$

素因数の和:50459

約数の個数: 30

約数和(自身を含む): 48474762

約数和(自身を除く): 28298362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50441, 100882, 201764, 252205, 403528, 504410, 807056, 1008820, 1261025, 2017640, 2522050, 4035280, 5044100, 10088200, 20176400]

約数ペア:

[(1, 20176400), (2, 10088200), (4, 5044100), (5, 4035280), (8, 2522050), (10, 2017640), (16, 1261025), (20, 1008820), (25, 807056), (40, 504410), (50, 403528), (80, 252205), (100, 201764), (200, 100882), (400, 50441)]