13204720

素因数分解:

$2^4\times 5^1\times {\mathrm{165059}}^1$

素因数の和:165072

約数の個数: 20

約数和(自身を含む): 30701160

約数和(自身を除く): 17496440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165059, 330118, 660236, 825295, 1320472, 1650590, 2640944, 3301180, 6602360, 13204720]

約数ペア:

[(1, 13204720), (2, 6602360), (4, 3301180), (5, 2640944), (8, 1650590), (10, 1320472), (16, 825295), (20, 660236), (40, 330118), (80, 165059)]