13455020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7559}}^1$

素因数の和:7657

約数の個数: 24

約数和(自身を含む): 28576800

約数和(自身を除く): 15121780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7559, 15118, 30236, 37795, 75590, 151180, 672751, 1345502, 2691004, 3363755, 6727510, 13455020]

約数ペア:

[(1, 13455020), (2, 6727510), (4, 3363755), (5, 2691004), (10, 1345502), (20, 672751), (89, 151180), (178, 75590), (356, 37795), (445, 30236), (890, 15118), (1780, 7559)]