261036760

素因数分解:

$2^3\times 5^1\times {\mathrm{6525919}}^1$

素因数の和:6525930

約数の個数: 16

約数和(自身を含む): 587332800

約数和(自身を除く): 326296040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6525919, 13051838, 26103676, 32629595, 52207352, 65259190, 130518380, 261036760]

約数ペア:

[(1, 261036760), (2, 130518380), (4, 65259190), (5, 52207352), (8, 32629595), (10, 26103676), (20, 13051838), (40, 6525919)]