1385660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 2950080

約数和(自身を除く): 1564420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 877, 1580, 1754, 3508, 4385, 8770, 17540, 69283, 138566, 277132, 346415, 692830, 1385660]

約数ペア:

[(1, 1385660), (2, 692830), (4, 346415), (5, 277132), (10, 138566), (20, 69283), (79, 17540), (158, 8770), (316, 4385), (395, 3508), (790, 1754), (877, 1580)]