245564260

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{21503}}^1$

素因数の和:22083

約数の個数: 24

約数和(自身を含む): 516612096

約数和(自身を除く): 271047836

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 21503, 43006, 86012, 107515, 215030, 430060, 12278213, 24556426, 49112852, 61391065, 122782130, 245564260]

約数ペア:

[(1, 245564260), (2, 122782130), (4, 61391065), (5, 49112852), (10, 24556426), (20, 12278213), (571, 430060), (1142, 215030), (2284, 107515), (2855, 86012), (5710, 43006), (11420, 21503)]