25672280

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2557}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 58015440

約数和(自身を除く): 32343160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 2557, 5020, 5114, 10040, 10228, 12785, 20456, 25570, 51140, 102280, 641807, 1283614, 2567228, 3209035, 5134456, 6418070, 12836140, 25672280]

約数ペア:

[(1, 25672280), (2, 12836140), (4, 6418070), (5, 5134456), (8, 3209035), (10, 2567228), (20, 1283614), (40, 641807), (251, 102280), (502, 51140), (1004, 25570), (1255, 20456), (2008, 12785), (2510, 10228), (2557, 10040), (5020, 5114)]