1261036760

素因数分解:

$2^3\times 5^1\times {\mathrm{31525919}}^1$

素因数の和:31525930

約数の個数: 16

約数和(自身を含む): 2837332800

約数和(自身を除く): 1576296040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31525919, 63051838, 126103676, 157629595, 252207352, 315259190, 630518380, 1261036760]

約数ペア:

[(1, 1261036760), (2, 630518380), (4, 315259190), (5, 252207352), (8, 157629595), (10, 126103676), (20, 63051838), (40, 31525919)]