129120325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 166451400

約数和(自身を除く): 37331075

約数列:

[1, 5, 25, 29, 145, 313, 569, 725, 1565, 2845, 7825, 9077, 14225, 16501, 45385, 82505, 178097, 226925, 412525, 890485, 4452425, 5164813, 25824065, 129120325]

約数ペア:

[(1, 129120325), (5, 25824065), (25, 5164813), (29, 4452425), (145, 890485), (313, 412525), (569, 226925), (725, 178097), (1565, 82505), (2845, 45385), (7825, 16501), (9077, 14225)]