25212590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193943}}^1$

素因数の和:193963

約数の個数: 16

約数和(自身を含む): 48873888

約数和(自身を除く): 23661298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193943, 387886, 969715, 1939430, 2521259, 5042518, 12606295, 25212590]

約数ペア:

[(1, 25212590), (2, 12606295), (5, 5042518), (10, 2521259), (13, 1939430), (26, 969715), (65, 387886), (130, 193943)]