66487600

素因数分解:

$2^4\times 5^2\times {\mathrm{166219}}^1$

素因数の和:166237

約数の個数: 30

約数和(自身を含む): 159737420

約数和(自身を除く): 93249820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 166219, 332438, 664876, 831095, 1329752, 1662190, 2659504, 3324380, 4155475, 6648760, 8310950, 13297520, 16621900, 33243800, 66487600]

約数ペア:

[(1, 66487600), (2, 33243800), (4, 16621900), (5, 13297520), (8, 8310950), (10, 6648760), (16, 4155475), (20, 3324380), (25, 2659504), (40, 1662190), (50, 1329752), (80, 831095), (100, 664876), (200, 332438), (400, 166219)]