20160355880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72001271}}^1$

素因数の和:72001289

約数の個数: 32

約数和(自身を含む): 51840915840

約数和(自身を除く): 31680559960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72001271, 144002542, 288005084, 360006355, 504008897, 576010168, 720012710, 1008017794, 1440025420, 2016035588, 2520044485, 2880050840, 4032071176, 5040088970, 10080177940, 20160355880]

約数ペア:

[(1, 20160355880), (2, 10080177940), (4, 5040088970), (5, 4032071176), (7, 2880050840), (8, 2520044485), (10, 2016035588), (14, 1440025420), (20, 1008017794), (28, 720012710), (35, 576010168), (40, 504008897), (56, 360006355), (70, 288005084), (140, 144002542), (280, 72001271)]