87978070

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{87107}}^1$

素因数の和:87215

約数の個数: 16

約数和(自身を含む): 159930288

約数和(自身を除く): 71952218

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 87107, 174214, 435535, 871070, 8797807, 17595614, 43989035, 87978070]

約数ペア:

[(1, 87978070), (2, 43989035), (5, 17595614), (10, 8797807), (101, 871070), (202, 435535), (505, 174214), (1010, 87107)]