67725640

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1733}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 152626680

約数和(自身を除く): 84901040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1733, 1954, 3466, 3908, 4885, 6932, 7816, 8665, 9770, 13864, 17330, 19540, 34660, 39080, 69320, 1693141, 3386282, 6772564, 8465705, 13545128, 16931410, 33862820, 67725640]

約数ペア:

[(1, 67725640), (2, 33862820), (4, 16931410), (5, 13545128), (8, 8465705), (10, 6772564), (20, 3386282), (40, 1693141), (977, 69320), (1733, 39080), (1954, 34660), (3466, 19540), (3908, 17330), (4885, 13864), (6932, 9770), (7816, 8665)]