79945540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2083}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 178557120

約数和(自身を除く): 98611580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 2083, 3838, 4166, 7676, 8332, 9595, 10415, 19190, 20830, 38380, 39577, 41660, 79154, 158308, 197885, 210383, 395770, 420766, 791540, 841532, 1051915, 2103830, 3997277, 4207660, 7994554, 15989108, 19986385, 39972770, 79945540]

約数ペア:

[(1, 79945540), (2, 39972770), (4, 19986385), (5, 15989108), (10, 7994554), (19, 4207660), (20, 3997277), (38, 2103830), (76, 1051915), (95, 841532), (101, 791540), (190, 420766), (202, 395770), (380, 210383), (404, 197885), (505, 158308), (1010, 79154), (1919, 41660), (2020, 39577), (2083, 38380), (3838, 20830), (4166, 19190), (7676, 10415), (8332, 9595)]