13678480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8999}}^1$

素因数の和:9031

約数の個数: 40

約数和(自身を含む): 33480000

約数和(自身を除く): 19801520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8999, 17998, 35996, 44995, 71992, 89990, 143984, 170981, 179980, 341962, 359960, 683924, 719920, 854905, 1367848, 1709810, 2735696, 3419620, 6839240, 13678480]

約数ペア:

[(1, 13678480), (2, 6839240), (4, 3419620), (5, 2735696), (8, 1709810), (10, 1367848), (16, 854905), (19, 719920), (20, 683924), (38, 359960), (40, 341962), (76, 179980), (80, 170981), (95, 143984), (152, 89990), (190, 71992), (304, 44995), (380, 35996), (760, 17998), (1520, 8999)]