80519888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 165826440

約数和(自身を除く): 85306552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 761, 778, 1522, 1556, 3044, 3112, 6088, 6224, 6613, 12176, 12937, 13226, 25874, 26452, 51748, 52904, 103496, 105808, 206992, 296029, 592058, 1184116, 2368232, 4736464, 5032493, 10064986, 20129972, 40259944, 80519888]

約数ペア:

[(1, 80519888), (2, 40259944), (4, 20129972), (8, 10064986), (16, 5032493), (17, 4736464), (34, 2368232), (68, 1184116), (136, 592058), (272, 296029), (389, 206992), (761, 105808), (778, 103496), (1522, 52904), (1556, 51748), (3044, 26452), (3112, 25874), (6088, 13226), (6224, 12937), (6613, 12176)]