12312980

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{809}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 25923240

約数和(自身を除く): 13610260

約数列:

[1, 2, 4, 5, 10, 20, 761, 809, 1522, 1618, 3044, 3236, 3805, 4045, 7610, 8090, 15220, 16180, 615649, 1231298, 2462596, 3078245, 6156490, 12312980]

約数ペア:

[(1, 12312980), (2, 6156490), (4, 3078245), (5, 2462596), (10, 1231298), (20, 615649), (761, 16180), (809, 15220), (1522, 8090), (1618, 7610), (3044, 4045), (3236, 3805)]