80831020

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{2707}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 169921584

約数和(自身を除く): 89090564

約数列:

[1, 2, 4, 5, 10, 20, 1493, 2707, 2986, 5414, 5972, 7465, 10828, 13535, 14930, 27070, 29860, 54140, 4041551, 8083102, 16166204, 20207755, 40415510, 80831020]

約数ペア:

[(1, 80831020), (2, 40415510), (4, 20207755), (5, 16166204), (10, 8083102), (20, 4041551), (1493, 54140), (2707, 29860), (2986, 27070), (5414, 14930), (5972, 13535), (7465, 10828)]