27963800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 65788200

約数和(自身を除く): 37824400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1571, 1780, 2225, 3142, 3560, 4450, 6284, 7855, 8900, 12568, 15710, 17800, 31420, 39275, 62840, 78550, 139819, 157100, 279638, 314200, 559276, 699095, 1118552, 1398190, 2796380, 3495475, 5592760, 6990950, 13981900, 27963800]

約数ペア:

[(1, 27963800), (2, 13981900), (4, 6990950), (5, 5592760), (8, 3495475), (10, 2796380), (20, 1398190), (25, 1118552), (40, 699095), (50, 559276), (89, 314200), (100, 279638), (178, 157100), (200, 139819), (356, 78550), (445, 62840), (712, 39275), (890, 31420), (1571, 17800), (1780, 15710), (2225, 12568), (3142, 8900), (3560, 7855), (4450, 6284)]