40155580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 86433984

約数和(自身を除く): 46278404

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 193, 202, 206, 386, 404, 412, 505, 515, 772, 965, 1010, 1030, 1930, 2020, 2060, 3860, 10403, 19493, 19879, 20806, 38986, 39758, 41612, 52015, 77972, 79516, 97465, 99395, 104030, 194930, 198790, 208060, 389860, 397580, 2007779, 4015558, 8031116, 10038895, 20077790, 40155580]

約数ペア:

[(1, 40155580), (2, 20077790), (4, 10038895), (5, 8031116), (10, 4015558), (20, 2007779), (101, 397580), (103, 389860), (193, 208060), (202, 198790), (206, 194930), (386, 104030), (404, 99395), (412, 97465), (505, 79516), (515, 77972), (772, 52015), (965, 41612), (1010, 39758), (1030, 38986), (1930, 20806), (2020, 19879), (2060, 19493), (3860, 10403)]