80996656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2573

約数の個数: 40

約数和(自身を含む): 170110640

約数和(自身を除く): 89113984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 2119, 2389, 2608, 4238, 4778, 8476, 9556, 16952, 19112, 31057, 33904, 38224, 62114, 124228, 248456, 389407, 496912, 778814, 1557628, 3115256, 5062291, 6230512, 10124582, 20249164, 40498328, 80996656]

約数ペア:

[(1, 80996656), (2, 40498328), (4, 20249164), (8, 10124582), (13, 6230512), (16, 5062291), (26, 3115256), (52, 1557628), (104, 778814), (163, 496912), (208, 389407), (326, 248456), (652, 124228), (1304, 62114), (2119, 38224), (2389, 33904), (2608, 31057), (4238, 19112), (4778, 16952), (8476, 9556)]