7256980

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{739}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 15291360

約数和(自身を除く): 8034380

約数列:

[1, 2, 4, 5, 10, 20, 491, 739, 982, 1478, 1964, 2455, 2956, 3695, 4910, 7390, 9820, 14780, 362849, 725698, 1451396, 1814245, 3628490, 7256980]

約数ペア:

[(1, 7256980), (2, 3628490), (4, 1814245), (5, 1451396), (10, 725698), (20, 362849), (491, 14780), (739, 9820), (982, 7390), (1478, 4910), (1964, 3695), (2455, 2956)]