80340664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{977}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 159022800

約数和(自身を除く): 78682136

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 541, 977, 1082, 1954, 2164, 3908, 4328, 7816, 10279, 18563, 20558, 37126, 41116, 74252, 82232, 148504, 528557, 1057114, 2114228, 4228456, 10042583, 20085166, 40170332, 80340664]

約数ペア:

[(1, 80340664), (2, 40170332), (4, 20085166), (8, 10042583), (19, 4228456), (38, 2114228), (76, 1057114), (152, 528557), (541, 148504), (977, 82232), (1082, 74252), (1954, 41116), (2164, 37126), (3908, 20558), (4328, 18563), (7816, 10279)]