25675325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 35399520

約数和(自身を除く): 9724195

約数列:

[1, 5, 13, 25, 59, 65, 103, 169, 295, 325, 515, 767, 845, 1339, 1475, 2575, 3835, 4225, 6077, 6695, 9971, 17407, 19175, 30385, 33475, 49855, 79001, 87035, 151925, 249275, 395005, 435175, 1027013, 1975025, 5135065, 25675325]

約数ペア:

[(1, 25675325), (5, 5135065), (13, 1975025), (25, 1027013), (59, 435175), (65, 395005), (103, 249275), (169, 151925), (295, 87035), (325, 79001), (515, 49855), (767, 33475), (845, 30385), (1339, 19175), (1475, 17407), (2575, 9971), (3835, 6695), (4225, 6077)]