27760120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6367}}^1$

素因数の和:6487

約数の個数: 32

約数和(自身を含む): 63043200

約数和(自身を除く): 35283080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6367, 12734, 25468, 31835, 50936, 63670, 127340, 254680, 694003, 1388006, 2776012, 3470015, 5552024, 6940030, 13880060, 27760120]

約数ペア:

[(1, 27760120), (2, 13880060), (4, 6940030), (5, 5552024), (8, 3470015), (10, 2776012), (20, 1388006), (40, 694003), (109, 254680), (218, 127340), (436, 63670), (545, 50936), (872, 31835), (1090, 25468), (2180, 12734), (4360, 6367)]