13219090

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5531}}^1$

素因数の和:5777

約数の個数: 16

約数和(自身を含む): 23898240

約数和(自身を除く): 10679150

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 5531, 11062, 27655, 55310, 1321909, 2643818, 6609545, 13219090]

約数ペア:

[(1, 13219090), (2, 6609545), (5, 2643818), (10, 1321909), (239, 55310), (478, 27655), (1195, 11062), (2390, 5531)]