25012525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 33111720

約数和(自身を除く): 8099195

約数列:

[1, 5, 17, 25, 85, 229, 257, 425, 1145, 1285, 3893, 4369, 5725, 6425, 19465, 21845, 58853, 97325, 109225, 294265, 1000501, 1471325, 5002505, 25012525]

約数ペア:

[(1, 25012525), (5, 5002505), (17, 1471325), (25, 1000501), (85, 294265), (229, 109225), (257, 97325), (425, 58853), (1145, 21845), (1285, 19465), (3893, 6425), (4369, 5725)]