25520425

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 37403856

約数和(自身を除く): 11883431

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 251, 415, 581, 1225, 1255, 1757, 2075, 2905, 4067, 6275, 8785, 12299, 14525, 20335, 20833, 43925, 61495, 101675, 104165, 145831, 307475, 520825, 729155, 1020817, 3645775, 5104085, 25520425]

約数ペア:

[(1, 25520425), (5, 5104085), (7, 3645775), (25, 1020817), (35, 729155), (49, 520825), (83, 307475), (175, 145831), (245, 104165), (251, 101675), (415, 61495), (581, 43925), (1225, 20833), (1255, 20335), (1757, 14525), (2075, 12299), (2905, 8785), (4067, 6275)]