39284180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 89564160

約数和(自身を除く): 50279980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1087, 1390, 1807, 2174, 2780, 3614, 4348, 5435, 7228, 9035, 10870, 14131, 18070, 21740, 28262, 36140, 56524, 70655, 141310, 151093, 282620, 302186, 604372, 755465, 1510930, 1964209, 3021860, 3928418, 7856836, 9821045, 19642090, 39284180]

約数ペア:

[(1, 39284180), (2, 19642090), (4, 9821045), (5, 7856836), (10, 3928418), (13, 3021860), (20, 1964209), (26, 1510930), (52, 755465), (65, 604372), (130, 302186), (139, 282620), (260, 151093), (278, 141310), (556, 70655), (695, 56524), (1087, 36140), (1390, 28262), (1807, 21740), (2174, 18070), (2780, 14131), (3614, 10870), (4348, 9035), (5435, 7228)]