2281960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 5200200

約数和(自身を除く): 2918240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 641, 712, 890, 1282, 1780, 2564, 3205, 3560, 5128, 6410, 12820, 25640, 57049, 114098, 228196, 285245, 456392, 570490, 1140980, 2281960]

約数ペア:

[(1, 2281960), (2, 1140980), (4, 570490), (5, 456392), (8, 285245), (10, 228196), (20, 114098), (40, 57049), (89, 25640), (178, 12820), (356, 6410), (445, 5128), (641, 3560), (712, 3205), (890, 2564), (1282, 1780)]