123739460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{475921}}^1$

素因数の和:475943

約数の個数: 24

約数和(自身を含む): 279842136

約数和(自身を除く): 156102676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 475921, 951842, 1903684, 2379605, 4759210, 6186973, 9518420, 12373946, 24747892, 30934865, 61869730, 123739460]

約数ペア:

[(1, 123739460), (2, 61869730), (4, 30934865), (5, 24747892), (10, 12373946), (13, 9518420), (20, 6186973), (26, 4759210), (52, 2379605), (65, 1903684), (130, 951842), (260, 475921)]