28686125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 39137280

約数和(自身を除く): 10451155

約数列:

[1, 5, 13, 25, 65, 125, 127, 139, 325, 635, 695, 1625, 1651, 1807, 3175, 3475, 8255, 9035, 15875, 17375, 17653, 41275, 45175, 88265, 206375, 225875, 229489, 441325, 1147445, 2206625, 5737225, 28686125]

約数ペア:

[(1, 28686125), (5, 5737225), (13, 2206625), (25, 1147445), (65, 441325), (125, 229489), (127, 225875), (139, 206375), (325, 88265), (635, 45175), (695, 41275), (1625, 17653), (1651, 17375), (1807, 15875), (3175, 9035), (3475, 8255)]