12215671420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5603519}}^1$

素因数の和:5603637

約数の個数: 24

約数和(自身を含む): 25888262400

約数和(自身を除く): 13672590980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5603519, 11207038, 22414076, 28017595, 56035190, 112070380, 610783571, 1221567142, 2443134284, 3053917855, 6107835710, 12215671420]

約数ペア:

[(1, 12215671420), (2, 6107835710), (4, 3053917855), (5, 2443134284), (10, 1221567142), (20, 610783571), (109, 112070380), (218, 56035190), (436, 28017595), (545, 22414076), (1090, 11207038), (2180, 5603519)]