31084280

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2029}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 70156800

約数和(自身を除く): 39072520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 2029, 3064, 3830, 4058, 7660, 8116, 10145, 15320, 16232, 20290, 40580, 81160, 777107, 1554214, 3108428, 3885535, 6216856, 7771070, 15542140, 31084280]

約数ペア:

[(1, 31084280), (2, 15542140), (4, 7771070), (5, 6216856), (8, 3885535), (10, 3108428), (20, 1554214), (40, 777107), (383, 81160), (766, 40580), (1532, 20290), (1915, 16232), (2029, 15320), (3064, 10145), (3830, 8116), (4058, 7660)]