251177980

素因数分解:

$2^2\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{5209}}^1$

素因数の和:7629

約数の個数: 24

約数和(自身を含む): 527793840

約数和(自身を除く): 276615860

約数列:

[1, 2, 4, 5, 10, 20, 2411, 4822, 5209, 9644, 10418, 12055, 20836, 24110, 26045, 48220, 52090, 104180, 12558899, 25117798, 50235596, 62794495, 125588990, 251177980]

約数ペア:

[(1, 251177980), (2, 125588990), (4, 62794495), (5, 50235596), (10, 25117798), (20, 12558899), (2411, 104180), (4822, 52090), (5209, 48220), (9644, 26045), (10418, 24110), (12055, 20836)]