812796560

素因数分解:

$2^4\times 5^1\times {\mathrm{10159957}}^1$

素因数の和:10159970

約数の個数: 20

約数和(自身を含む): 1889752188

約数和(自身を除く): 1076955628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10159957, 20319914, 40639828, 50799785, 81279656, 101599570, 162559312, 203199140, 406398280, 812796560]

約数ペア:

[(1, 812796560), (2, 406398280), (4, 203199140), (5, 162559312), (8, 101599570), (10, 81279656), (16, 50799785), (20, 40639828), (40, 20319914), (80, 10159957)]