82788520

素因数分解:

$2^3\times 5^1\times {\mathrm{2069713}}^1$

素因数の和:2069724

約数の個数: 16

約数和(自身を含む): 186274260

約数和(自身を除く): 103485740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2069713, 4139426, 8278852, 10348565, 16557704, 20697130, 41394260, 82788520]

約数ペア:

[(1, 82788520), (2, 41394260), (4, 20697130), (5, 16557704), (8, 10348565), (10, 8278852), (20, 4139426), (40, 2069713)]