280050125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{72271}}^1$

素因数の和:72317

約数の個数: 16

約数和(自身を含む): 360781824

約数和(自身を除く): 80731699

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 72271, 361355, 1806775, 2240401, 9033875, 11202005, 56010025, 280050125]

約数ペア:

[(1, 280050125), (5, 56010025), (25, 11202005), (31, 9033875), (125, 2240401), (155, 1806775), (775, 361355), (3875, 72271)]