1810361020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{50093}}^1$

素因数の和:50254

約数の個数: 48

約数和(自身を含む): 4123738080

約数和(自身を除く): 2313377060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 36140, 50093, 100186, 200372, 250465, 500930, 651209, 1001860, 1302418, 2604836, 3256045, 6512090, 6962927, 13024180, 13925854, 27851708, 34814635, 69629270, 90518051, 139258540, 181036102, 362072204, 452590255, 905180510, 1810361020]

約数ペア:

[(1, 1810361020), (2, 905180510), (4, 452590255), (5, 362072204), (10, 181036102), (13, 139258540), (20, 90518051), (26, 69629270), (52, 34814635), (65, 27851708), (130, 13925854), (139, 13024180), (260, 6962927), (278, 6512090), (556, 3256045), (695, 2604836), (1390, 1302418), (1807, 1001860), (2780, 651209), (3614, 500930), (7228, 250465), (9035, 200372), (18070, 100186), (36140, 50093)]