6720740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25849}}^1$

素因数の和:25871

約数の個数: 24

約数和(自身を含む): 15199800

約数和(自身を除く): 8479060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25849, 51698, 103396, 129245, 258490, 336037, 516980, 672074, 1344148, 1680185, 3360370, 6720740]

約数ペア:

[(1, 6720740), (2, 3360370), (4, 1680185), (5, 1344148), (10, 672074), (13, 516980), (20, 336037), (26, 258490), (52, 129245), (65, 103396), (130, 51698), (260, 25849)]