85685200

素因数分解:

$2^4\times 5^2\times {\mathrm{214213}}^1$

素因数の和:214231

約数の個数: 30

約数和(自身を含む): 205859654

約数和(自身を除く): 120174454

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 214213, 428426, 856852, 1071065, 1713704, 2142130, 3427408, 4284260, 5355325, 8568520, 10710650, 17137040, 21421300, 42842600, 85685200]

約数ペア:

[(1, 85685200), (2, 42842600), (4, 21421300), (5, 17137040), (8, 10710650), (10, 8568520), (16, 5355325), (20, 4284260), (25, 3427408), (40, 2142130), (50, 1713704), (80, 1071065), (100, 856852), (200, 428426), (400, 214213)]