282040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 693360

約数和(自身を除く): 411320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 641, 1282, 2564, 3205, 5128, 6410, 7051, 12820, 14102, 25640, 28204, 35255, 56408, 70510, 141020, 282040]

約数ペア:

[(1, 282040), (2, 141020), (4, 70510), (5, 56408), (8, 35255), (10, 28204), (11, 25640), (20, 14102), (22, 12820), (40, 7051), (44, 6410), (55, 5128), (88, 3205), (110, 2564), (220, 1282), (440, 641)]