28435600

素因数分解:

$2^4\times 5^2\times {\mathrm{71089}}^1$

素因数の和:71107

約数の個数: 30

約数和(自身を含む): 68317490

約数和(自身を除く): 39881890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71089, 142178, 284356, 355445, 568712, 710890, 1137424, 1421780, 1777225, 2843560, 3554450, 5687120, 7108900, 14217800, 28435600]

約数ペア:

[(1, 28435600), (2, 14217800), (4, 7108900), (5, 5687120), (8, 3554450), (10, 2843560), (16, 1777225), (20, 1421780), (25, 1137424), (40, 710890), (50, 568712), (80, 355445), (100, 284356), (200, 142178), (400, 71089)]