67926440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16487}}^1$

素因数の和:16601

約数の個数: 32

約数和(自身を含む): 154327680

約数和(自身を除く): 86401240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16487, 32974, 65948, 82435, 131896, 164870, 329740, 659480, 1698161, 3396322, 6792644, 8490805, 13585288, 16981610, 33963220, 67926440]

約数ペア:

[(1, 67926440), (2, 33963220), (4, 16981610), (5, 13585288), (8, 8490805), (10, 6792644), (20, 3396322), (40, 1698161), (103, 659480), (206, 329740), (412, 164870), (515, 131896), (824, 82435), (1030, 65948), (2060, 32974), (4120, 16487)]