31330040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111893}}^1$

素因数の和:111911

約数の個数: 32

約数和(自身を含む): 80563680

約数和(自身を除く): 49233640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111893, 223786, 447572, 559465, 783251, 895144, 1118930, 1566502, 2237860, 3133004, 3916255, 4475720, 6266008, 7832510, 15665020, 31330040]

約数ペア:

[(1, 31330040), (2, 15665020), (4, 7832510), (5, 6266008), (7, 4475720), (8, 3916255), (10, 3133004), (14, 2237860), (20, 1566502), (28, 1118930), (35, 895144), (40, 783251), (56, 559465), (70, 447572), (140, 223786), (280, 111893)]