91207280

素因数分解:

$2^4\times 5^1\times {\mathrm{1140091}}^1$

素因数の和:1140104

約数の個数: 20

約数和(自身を含む): 212057112

約数和(自身を除く): 120849832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1140091, 2280182, 4560364, 5700455, 9120728, 11400910, 18241456, 22801820, 45603640, 91207280]

約数ペア:

[(1, 91207280), (2, 45603640), (4, 22801820), (5, 18241456), (8, 11400910), (10, 9120728), (16, 5700455), (20, 4560364), (40, 2280182), (80, 1140091)]