8390380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4073}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 17795232

約数和(自身を除く): 9404852

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 4073, 8146, 16292, 20365, 40730, 81460, 419519, 839038, 1678076, 2097595, 4195190, 8390380]

約数ペア:

[(1, 8390380), (2, 4195190), (4, 2097595), (5, 1678076), (10, 839038), (20, 419519), (103, 81460), (206, 40730), (412, 20365), (515, 16292), (1030, 8146), (2060, 4073)]