420150125

素因数分解:

$5^3\times {\mathrm{1609}}^1\times {\mathrm{2089}}^1$

素因数の和:3713

約数の個数: 16

約数和(自身を含む): 524924400

約数和(自身を除く): 104774275

約数列:

[1, 5, 25, 125, 1609, 2089, 8045, 10445, 40225, 52225, 201125, 261125, 3361201, 16806005, 84030025, 420150125]

約数ペア:

[(1, 420150125), (5, 84030025), (25, 16806005), (125, 3361201), (1609, 261125), (2089, 201125), (8045, 52225), (10445, 40225)]