1691660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 3640896

約数和(自身を除く): 1949236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2063, 4126, 8252, 10315, 20630, 41260, 84583, 169166, 338332, 422915, 845830, 1691660]

約数ペア:

[(1, 1691660), (2, 845830), (4, 422915), (5, 338332), (10, 169166), (20, 84583), (41, 41260), (82, 20630), (164, 10315), (205, 8252), (410, 4126), (820, 2063)]