327280

素因数分解:

$2^4\times 5^1\times {\mathrm{4091}}^1$

素因数の和:4104

約数の個数: 20

約数和(自身を含む): 761112

約数和(自身を除く): 433832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4091, 8182, 16364, 20455, 32728, 40910, 65456, 81820, 163640, 327280]

約数ペア:

[(1, 327280), (2, 163640), (4, 81820), (5, 65456), (8, 40910), (10, 32728), (16, 20455), (20, 16364), (40, 8182), (80, 4091)]