8082920

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 18268200

約数和(自身を除く): 10185280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 509, 794, 1018, 1588, 1985, 2036, 2545, 3176, 3970, 4072, 5090, 7940, 10180, 15880, 20360, 202073, 404146, 808292, 1010365, 1616584, 2020730, 4041460, 8082920]

約数ペア:

[(1, 8082920), (2, 4041460), (4, 2020730), (5, 1616584), (8, 1010365), (10, 808292), (20, 404146), (40, 202073), (397, 20360), (509, 15880), (794, 10180), (1018, 7940), (1588, 5090), (1985, 4072), (2036, 3970), (2545, 3176)]