86856520

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3613}}^1$

素因数の和:4225

約数の個数: 32

約数和(自身を含む): 195806520

約数和(自身を除く): 108950000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 3613, 4808, 6010, 7226, 12020, 14452, 18065, 24040, 28904, 36130, 72260, 144520, 2171413, 4342826, 8685652, 10857065, 17371304, 21714130, 43428260, 86856520]

約数ペア:

[(1, 86856520), (2, 43428260), (4, 21714130), (5, 17371304), (8, 10857065), (10, 8685652), (20, 4342826), (40, 2171413), (601, 144520), (1202, 72260), (2404, 36130), (3005, 28904), (3613, 24040), (4808, 18065), (6010, 14452), (7226, 12020)]