90453025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 123444480

約数和(自身を除く): 32991455

約数列:

[1, 5, 13, 25, 65, 79, 169, 271, 325, 395, 845, 1027, 1355, 1975, 3523, 4225, 5135, 6775, 13351, 17615, 21409, 25675, 45799, 66755, 88075, 107045, 228995, 278317, 333775, 535225, 1144975, 1391585, 3618121, 6957925, 18090605, 90453025]

約数ペア:

[(1, 90453025), (5, 18090605), (13, 6957925), (25, 3618121), (65, 1391585), (79, 1144975), (169, 535225), (271, 333775), (325, 278317), (395, 228995), (845, 107045), (1027, 88075), (1355, 66755), (1975, 45799), (3523, 25675), (4225, 21409), (5135, 17615), (6775, 13351)]