380819440

素因数分解:

$2^4\times 5^1\times {\mathrm{4760243}}^1$

素因数の和:4760256

約数の個数: 20

約数和(自身を含む): 885405384

約数和(自身を除く): 504585944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4760243, 9520486, 19040972, 23801215, 38081944, 47602430, 76163888, 95204860, 190409720, 380819440]

約数ペア:

[(1, 380819440), (2, 190409720), (4, 95204860), (5, 76163888), (8, 47602430), (10, 38081944), (16, 23801215), (20, 19040972), (40, 9520486), (80, 4760243)]