25212790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23131}}^1$

素因数の和:23247

約数の個数: 16

約数和(自身を含む): 45801360

約数和(自身を除く): 20588570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 23131, 46262, 115655, 231310, 2521279, 5042558, 12606395, 25212790]

約数ペア:

[(1, 25212790), (2, 12606395), (5, 5042558), (10, 2521279), (109, 231310), (218, 115655), (545, 46262), (1090, 23131)]