9765020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1399}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 20580000

約数和(自身を除く): 10814980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1399, 1745, 2798, 3490, 5596, 6980, 6995, 13990, 27980, 488251, 976502, 1953004, 2441255, 4882510, 9765020]

約数ペア:

[(1, 9765020), (2, 4882510), (4, 2441255), (5, 1953004), (10, 976502), (20, 488251), (349, 27980), (698, 13990), (1396, 6995), (1399, 6980), (1745, 5596), (2798, 3490)]