2796380

素因数分解:

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

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 5942160

約数和(自身を除く): 3145780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1571, 1780, 3142, 6284, 7855, 15710, 31420, 139819, 279638, 559276, 699095, 1398190, 2796380]

約数ペア:

[(1, 2796380), (2, 1398190), (4, 699095), (5, 559276), (10, 279638), (20, 139819), (89, 31420), (178, 15710), (356, 7855), (445, 6284), (890, 3142), (1571, 1780)]