28432450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4091}}^1$

素因数の和:4242

約数の個数: 24

約数和(自身を含む): 53277840

約数和(自身を除く): 24845390

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 4091, 6950, 8182, 20455, 40910, 102275, 204550, 568649, 1137298, 2843245, 5686490, 14216225, 28432450]

約数ペア:

[(1, 28432450), (2, 14216225), (5, 5686490), (10, 2843245), (25, 1137298), (50, 568649), (139, 204550), (278, 102275), (695, 40910), (1390, 20455), (3475, 8182), (4091, 6950)]