28262600

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 66089520

約数和(自身を除く): 37826920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 502, 563, 1004, 1126, 1255, 2008, 2252, 2510, 2815, 4504, 5020, 5630, 6275, 10040, 11260, 12550, 14075, 22520, 25100, 28150, 50200, 56300, 112600, 141313, 282626, 565252, 706565, 1130504, 1413130, 2826260, 3532825, 5652520, 7065650, 14131300, 28262600]

約数ペア:

[(1, 28262600), (2, 14131300), (4, 7065650), (5, 5652520), (8, 3532825), (10, 2826260), (20, 1413130), (25, 1130504), (40, 706565), (50, 565252), (100, 282626), (200, 141313), (251, 112600), (502, 56300), (563, 50200), (1004, 28150), (1126, 25100), (1255, 22520), (2008, 14075), (2252, 12550), (2510, 11260), (2815, 10040), (4504, 6275), (5020, 5630)]