28029800

素因数分解:

$2^3\times 5^2\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 65537100

約数和(自身を除く): 37507300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 269, 521, 538, 1042, 1076, 1345, 2084, 2152, 2605, 2690, 4168, 5210, 5380, 6725, 10420, 10760, 13025, 13450, 20840, 26050, 26900, 52100, 53800, 104200, 140149, 280298, 560596, 700745, 1121192, 1401490, 2802980, 3503725, 5605960, 7007450, 14014900, 28029800]

約数ペア:

[(1, 28029800), (2, 14014900), (4, 7007450), (5, 5605960), (8, 3503725), (10, 2802980), (20, 1401490), (25, 1121192), (40, 700745), (50, 560596), (100, 280298), (200, 140149), (269, 104200), (521, 53800), (538, 52100), (1042, 26900), (1076, 26050), (1345, 20840), (2084, 13450), (2152, 13025), (2605, 10760), (2690, 10420), (4168, 6725), (5210, 5380)]