80322580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308933}}^1$

素因数の和:308955

約数の個数: 24

約数和(自身を含む): 181653192

約数和(自身を除く): 101330612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308933, 617866, 1235732, 1544665, 3089330, 4016129, 6178660, 8032258, 16064516, 20080645, 40161290, 80322580]

約数ペア:

[(1, 80322580), (2, 40161290), (4, 20080645), (5, 16064516), (10, 8032258), (13, 6178660), (20, 4016129), (26, 3089330), (52, 1544665), (65, 1235732), (130, 617866), (260, 308933)]