39806780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 90509664

約数和(自身を除く): 50702884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 541, 566, 1082, 1132, 1415, 2164, 2705, 2830, 3679, 5410, 5660, 7033, 7358, 10820, 14066, 14716, 18395, 28132, 35165, 36790, 70330, 73580, 140660, 153103, 306206, 612412, 765515, 1531030, 1990339, 3062060, 3980678, 7961356, 9951695, 19903390, 39806780]

約数ペア:

[(1, 39806780), (2, 19903390), (4, 9951695), (5, 7961356), (10, 3980678), (13, 3062060), (20, 1990339), (26, 1531030), (52, 765515), (65, 612412), (130, 306206), (260, 153103), (283, 140660), (541, 73580), (566, 70330), (1082, 36790), (1132, 35165), (1415, 28132), (2164, 18395), (2705, 14716), (2830, 14066), (3679, 10820), (5410, 7358), (5660, 7033)]