12001240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1523}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 27157680

約数和(自身を除く): 15156440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1523, 1576, 1970, 3046, 3940, 6092, 7615, 7880, 12184, 15230, 30460, 60920, 300031, 600062, 1200124, 1500155, 2400248, 3000310, 6000620, 12001240]

約数ペア:

[(1, 12001240), (2, 6000620), (4, 3000310), (5, 2400248), (8, 1500155), (10, 1200124), (20, 600062), (40, 300031), (197, 60920), (394, 30460), (788, 15230), (985, 12184), (1523, 7880), (1576, 7615), (1970, 6092), (3046, 3940)]