85509520

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2551}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 199362240

約数和(自身を除く): 113852720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 2551, 3352, 4190, 5102, 6704, 8380, 10204, 12755, 16760, 20408, 25510, 33520, 40816, 51020, 102040, 204080, 1068869, 2137738, 4275476, 5344345, 8550952, 10688690, 17101904, 21377380, 42754760, 85509520]

約数ペア:

[(1, 85509520), (2, 42754760), (4, 21377380), (5, 17101904), (8, 10688690), (10, 8550952), (16, 5344345), (20, 4275476), (40, 2137738), (80, 1068869), (419, 204080), (838, 102040), (1676, 51020), (2095, 40816), (2551, 33520), (3352, 25510), (4190, 20408), (5102, 16760), (6704, 12755), (8380, 10204)]