2641508740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{73091}}^1$

素因数の和:73252

約数の個数: 48

約数和(自身を含む): 6016933440

約数和(自身を除く): 3375424700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 36140, 73091, 146182, 292364, 365455, 730910, 950183, 1461820, 1900366, 3800732, 4750915, 9501830, 10159649, 19003660, 20319298, 40638596, 50798245, 101596490, 132075437, 203192980, 264150874, 528301748, 660377185, 1320754370, 2641508740]

約数ペア:

[(1, 2641508740), (2, 1320754370), (4, 660377185), (5, 528301748), (10, 264150874), (13, 203192980), (20, 132075437), (26, 101596490), (52, 50798245), (65, 40638596), (130, 20319298), (139, 19003660), (260, 10159649), (278, 9501830), (556, 4750915), (695, 3800732), (1390, 1900366), (1807, 1461820), (2780, 950183), (3614, 730910), (7228, 365455), (9035, 292364), (18070, 146182), (36140, 73091)]