56913880

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1283}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 128271600

約数和(自身を除く): 71357720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 1283, 2218, 2566, 4436, 5132, 5545, 6415, 8872, 10264, 11090, 12830, 22180, 25660, 44360, 51320, 1422847, 2845694, 5691388, 7114235, 11382776, 14228470, 28456940, 56913880]

約数ペア:

[(1, 56913880), (2, 28456940), (4, 14228470), (5, 11382776), (8, 7114235), (10, 5691388), (20, 2845694), (40, 1422847), (1109, 51320), (1283, 44360), (2218, 25660), (2566, 22180), (4436, 12830), (5132, 11090), (5545, 10264), (6415, 8872)]