78622340

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{12401}}^1$

素因数の和:12727

約数の個数: 24

約数和(自身を含む): 165641112

約数和(自身を除く): 87018772

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 12401, 24802, 49604, 62005, 124010, 248020, 3931117, 7862234, 15724468, 19655585, 39311170, 78622340]

約数ペア:

[(1, 78622340), (2, 39311170), (4, 19655585), (5, 15724468), (10, 7862234), (20, 3931117), (317, 248020), (634, 124010), (1268, 62005), (1585, 49604), (3170, 24802), (6340, 12401)]