17796740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68449}}^1$

素因数の和:68471

約数の個数: 24

約数和(自身を含む): 40248600

約数和(自身を除く): 22451860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68449, 136898, 273796, 342245, 684490, 889837, 1368980, 1779674, 3559348, 4449185, 8898370, 17796740]

約数ペア:

[(1, 17796740), (2, 8898370), (4, 4449185), (5, 3559348), (10, 1779674), (13, 1368980), (20, 889837), (26, 684490), (52, 342245), (65, 273796), (130, 136898), (260, 68449)]