129804980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{13327}}^1$

素因数の和:13823

約数の個数: 24

約数和(自身を含む): 273170688

約数和(自身を除く): 143365708

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 13327, 26654, 53308, 66635, 133270, 266540, 6490249, 12980498, 25960996, 32451245, 64902490, 129804980]

約数ペア:

[(1, 129804980), (2, 64902490), (4, 32451245), (5, 25960996), (10, 12980498), (20, 6490249), (487, 266540), (974, 133270), (1948, 66635), (2435, 53308), (4870, 26654), (9740, 13327)]