15764420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112603}}^1$

素因数の和:112619

約数の個数: 24

約数和(自身を含む): 37834944

約数和(自身を除く): 22070524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112603, 225206, 450412, 563015, 788221, 1126030, 1576442, 2252060, 3152884, 3941105, 7882210, 15764420]

約数ペア:

[(1, 15764420), (2, 7882210), (4, 3941105), (5, 3152884), (7, 2252060), (10, 1576442), (14, 1126030), (20, 788221), (28, 563015), (35, 450412), (70, 225206), (140, 112603)]