80958880

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1039}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 191842560

約数和(自身を除く): 110883680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1039, 1948, 2078, 2435, 3896, 4156, 4870, 5195, 7792, 8312, 9740, 10390, 15584, 16624, 19480, 20780, 33248, 38960, 41560, 77920, 83120, 166240, 505993, 1011986, 2023972, 2529965, 4047944, 5059930, 8095888, 10119860, 16191776, 20239720, 40479440, 80958880]

約数ペア:

[(1, 80958880), (2, 40479440), (4, 20239720), (5, 16191776), (8, 10119860), (10, 8095888), (16, 5059930), (20, 4047944), (32, 2529965), (40, 2023972), (80, 1011986), (160, 505993), (487, 166240), (974, 83120), (1039, 77920), (1948, 41560), (2078, 38960), (2435, 33248), (3896, 20780), (4156, 19480), (4870, 16624), (5195, 15584), (7792, 10390), (8312, 9740)]