80915536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^3$

素因数の和:240

約数の個数: 40

約数和(自身を含む): 171178280

約数和(自身を除く): 90262744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 5329, 7592, 10658, 15184, 21316, 42632, 69277, 85264, 138554, 277108, 389017, 554216, 778034, 1108432, 1556068, 3112136, 5057221, 6224272, 10114442, 20228884, 40457768, 80915536]

約数ペア:

[(1, 80915536), (2, 40457768), (4, 20228884), (8, 10114442), (13, 6224272), (16, 5057221), (26, 3112136), (52, 1556068), (73, 1108432), (104, 778034), (146, 554216), (208, 389017), (292, 277108), (584, 138554), (949, 85264), (1168, 69277), (1898, 42632), (3796, 21316), (5329, 15184), (7592, 10658)]