8273480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 18698040

約数和(自身を除く): 10424560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 521, 794, 1042, 1588, 1985, 2084, 2605, 3176, 3970, 4168, 5210, 7940, 10420, 15880, 20840, 206837, 413674, 827348, 1034185, 1654696, 2068370, 4136740, 8273480]

約数ペア:

[(1, 8273480), (2, 4136740), (4, 2068370), (5, 1654696), (8, 1034185), (10, 827348), (20, 413674), (40, 206837), (397, 20840), (521, 15880), (794, 10420), (1042, 7940), (1588, 5210), (1985, 4168), (2084, 3970), (2605, 3176)]