42654820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164057}}^1$

素因数の和:164079

約数の個数: 24

約数和(自身を含む): 96466104

約数和(自身を除く): 53811284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164057, 328114, 656228, 820285, 1640570, 2132741, 3281140, 4265482, 8530964, 10663705, 21327410, 42654820]

約数ペア:

[(1, 42654820), (2, 21327410), (4, 10663705), (5, 8530964), (10, 4265482), (13, 3281140), (20, 2132741), (26, 1640570), (52, 820285), (65, 656228), (130, 328114), (260, 164057)]