8021214820

素因数分解:

$2^2\times 5^1\times {\mathrm{12401}}^1\times {\mathrm{32341}}^1$

素因数の和:44751

約数の個数: 24

約数和(自身を含む): 16846430328

約数和(自身を除く): 8825215508

約数列:

[1, 2, 4, 5, 10, 20, 12401, 24802, 32341, 49604, 62005, 64682, 124010, 129364, 161705, 248020, 323410, 646820, 401060741, 802121482, 1604242964, 2005303705, 4010607410, 8021214820]

約数ペア:

[(1, 8021214820), (2, 4010607410), (4, 2005303705), (5, 1604242964), (10, 802121482), (20, 401060741), (12401, 646820), (24802, 323410), (32341, 248020), (49604, 161705), (62005, 129364), (64682, 124010)]