8270140

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1063}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 17428320

約数和(自身を除く): 9158180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1063, 1556, 1945, 2126, 3890, 4252, 5315, 7780, 10630, 21260, 413507, 827014, 1654028, 2067535, 4135070, 8270140]

約数ペア:

[(1, 8270140), (2, 4135070), (4, 2067535), (5, 1654028), (10, 827014), (20, 413507), (389, 21260), (778, 10630), (1063, 7780), (1556, 5315), (1945, 4252), (2126, 3890)]