81752660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21859}}^1$

素因数の和:21896

約数の個数: 48

約数和(自身を含む): 198313920

約数和(自身を除く): 116561260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21859, 43718, 87436, 109295, 218590, 240449, 371603, 437180, 480898, 743206, 961796, 1202245, 1486412, 1858015, 2404490, 3716030, 4087633, 4808980, 7432060, 8175266, 16350532, 20438165, 40876330, 81752660]

約数ペア:

[(1, 81752660), (2, 40876330), (4, 20438165), (5, 16350532), (10, 8175266), (11, 7432060), (17, 4808980), (20, 4087633), (22, 3716030), (34, 2404490), (44, 1858015), (55, 1486412), (68, 1202245), (85, 961796), (110, 743206), (170, 480898), (187, 437180), (220, 371603), (340, 240449), (374, 218590), (748, 109295), (935, 87436), (1870, 43718), (3740, 21859)]