28292020

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1613}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 59517864

約数和(自身を除く): 31225844

約数列:

[1, 2, 4, 5, 10, 20, 877, 1613, 1754, 3226, 3508, 4385, 6452, 8065, 8770, 16130, 17540, 32260, 1414601, 2829202, 5658404, 7073005, 14146010, 28292020]

約数ペア:

[(1, 28292020), (2, 14146010), (4, 7073005), (5, 5658404), (10, 2829202), (20, 1414601), (877, 32260), (1613, 17540), (1754, 16130), (3226, 8770), (3508, 8065), (4385, 6452)]