2005017940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{48407}}^1$

素因数の和:48544

約数の個数: 48

約数和(自身を含む): 4472899200

約数和(自身を除く): 2467881260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 20710, 41420, 48407, 96814, 193628, 242035, 484070, 919733, 968140, 1839466, 3678932, 4598665, 5276363, 9197330, 10552726, 18394660, 21105452, 26381815, 52763630, 100250897, 105527260, 200501794, 401003588, 501254485, 1002508970, 2005017940]

約数ペア:

[(1, 2005017940), (2, 1002508970), (4, 501254485), (5, 401003588), (10, 200501794), (19, 105527260), (20, 100250897), (38, 52763630), (76, 26381815), (95, 21105452), (109, 18394660), (190, 10552726), (218, 9197330), (380, 5276363), (436, 4598665), (545, 3678932), (1090, 1839466), (2071, 968140), (2180, 919733), (4142, 484070), (8284, 242035), (10355, 193628), (20710, 96814), (41420, 48407)]