2000643580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{27779}}^1$

素因数の和:28078

約数の個数: 48

約数和(自身を含む): 4541029920

約数和(自身を除く): 2540386340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 27779, 36010, 55558, 72020, 111116, 138895, 277790, 361127, 555580, 722254, 1444508, 1805635, 3611270, 7222540, 7694783, 15389566, 30779132, 38473915, 76947830, 100032179, 153895660, 200064358, 400128716, 500160895, 1000321790, 2000643580]

約数ペア:

[(1, 2000643580), (2, 1000321790), (4, 500160895), (5, 400128716), (10, 200064358), (13, 153895660), (20, 100032179), (26, 76947830), (52, 38473915), (65, 30779132), (130, 15389566), (260, 7694783), (277, 7222540), (554, 3611270), (1108, 1805635), (1385, 1444508), (2770, 722254), (3601, 555580), (5540, 361127), (7202, 277790), (14404, 138895), (18005, 111116), (27779, 72020), (36010, 55558)]