28336400

素因数分解:

$2^4\times 5^2\times {\mathrm{70841}}^1$

素因数の和:70859

約数の個数: 30

約数和(自身を含む): 68079162

約数和(自身を除く): 39742762

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70841, 141682, 283364, 354205, 566728, 708410, 1133456, 1416820, 1771025, 2833640, 3542050, 5667280, 7084100, 14168200, 28336400]

約数ペア:

[(1, 28336400), (2, 14168200), (4, 7084100), (5, 5667280), (8, 3542050), (10, 2833640), (16, 1771025), (20, 1416820), (25, 1133456), (40, 708410), (50, 566728), (80, 354205), (100, 283364), (200, 141682), (400, 70841)]