2203640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 5022000

約数和(自身を除く): 2818360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 619, 712, 890, 1238, 1780, 2476, 3095, 3560, 4952, 6190, 12380, 24760, 55091, 110182, 220364, 275455, 440728, 550910, 1101820, 2203640]

約数ペア:

[(1, 2203640), (2, 1101820), (4, 550910), (5, 440728), (8, 275455), (10, 220364), (20, 110182), (40, 55091), (89, 24760), (178, 12380), (356, 6190), (445, 4952), (619, 3560), (712, 3095), (890, 2476), (1238, 1780)]