29808220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8819}}^1$

素因数の和:8854

約数の個数: 36

約数和(自身を含む): 67790520

約数和(自身を除く): 37982300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8819, 17638, 35276, 44095, 88190, 114647, 176380, 229294, 458588, 573235, 1146470, 1490411, 2292940, 2980822, 5961644, 7452055, 14904110, 29808220]

約数ペア:

[(1, 29808220), (2, 14904110), (4, 7452055), (5, 5961644), (10, 2980822), (13, 2292940), (20, 1490411), (26, 1146470), (52, 573235), (65, 458588), (130, 229294), (169, 176380), (260, 114647), (338, 88190), (676, 44095), (845, 35276), (1690, 17638), (3380, 8819)]