27862580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12781}}^1$

素因数の和:12899

約数の個数: 24

約数和(自身を含む): 59052840

約数和(自身を除く): 31190260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12781, 25562, 51124, 63905, 127810, 255620, 1393129, 2786258, 5572516, 6965645, 13931290, 27862580]

約数ペア:

[(1, 27862580), (2, 13931290), (4, 6965645), (5, 5572516), (10, 2786258), (20, 1393129), (109, 255620), (218, 127810), (436, 63905), (545, 51124), (1090, 25562), (2180, 12781)]