28875040

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 39709280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 719, 1004, 1255, 1438, 2008, 2510, 2876, 3595, 4016, 5020, 5752, 7190, 8032, 10040, 11504, 14380, 20080, 23008, 28760, 40160, 57520, 115040, 180469, 360938, 721876, 902345, 1443752, 1804690, 2887504, 3609380, 5775008, 7218760, 14437520, 28875040]

約数ペア:

[(1, 28875040), (2, 14437520), (4, 7218760), (5, 5775008), (8, 3609380), (10, 2887504), (16, 1804690), (20, 1443752), (32, 902345), (40, 721876), (80, 360938), (160, 180469), (251, 115040), (502, 57520), (719, 40160), (1004, 28760), (1255, 23008), (1438, 20080), (2008, 14380), (2510, 11504), (2876, 10040), (3595, 8032), (4016, 7190), (5020, 5752)]