12781270

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12409}}^1$

素因数の和:12519

約数の個数: 16

約数和(自身を含む): 23231520

約数和(自身を除く): 10450250

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 12409, 24818, 62045, 124090, 1278127, 2556254, 6390635, 12781270]

約数ペア:

[(1, 12781270), (2, 6390635), (5, 2556254), (10, 1278127), (103, 124090), (206, 62045), (515, 24818), (1030, 12409)]