808218340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{392339}}^1$

素因数の和:392451

約数の個数: 24

約数和(自身を含む): 1713741120

約数和(自身を除く): 905522780

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 392339, 784678, 1569356, 1961695, 3923390, 7846780, 40410917, 80821834, 161643668, 202054585, 404109170, 808218340]

約数ペア:

[(1, 808218340), (2, 404109170), (4, 202054585), (5, 161643668), (10, 80821834), (20, 40410917), (103, 7846780), (206, 3923390), (412, 1961695), (515, 1569356), (1030, 784678), (2060, 392339)]