1771803640

素因数分解:

$2^3\times 5^1\times {\mathrm{4127}}^1\times {\mathrm{10733}}^1$

素因数の和:14871

約数の個数: 32

約数和(自身を含む): 3987895680

約数和(自身を除く): 2216092040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4127, 8254, 10733, 16508, 20635, 21466, 33016, 41270, 42932, 53665, 82540, 85864, 107330, 165080, 214660, 429320, 44295091, 88590182, 177180364, 221475455, 354360728, 442950910, 885901820, 1771803640]

約数ペア:

[(1, 1771803640), (2, 885901820), (4, 442950910), (5, 354360728), (8, 221475455), (10, 177180364), (20, 88590182), (40, 44295091), (4127, 429320), (8254, 214660), (10733, 165080), (16508, 107330), (20635, 85864), (21466, 82540), (33016, 53665), (41270, 42932)]