4136980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1579}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 8759520

約数和(自身を除く): 4622540

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1579, 2620, 3158, 6316, 7895, 15790, 31580, 206849, 413698, 827396, 1034245, 2068490, 4136980]

約数ペア:

[(1, 4136980), (2, 2068490), (4, 1034245), (5, 827396), (10, 413698), (20, 206849), (131, 31580), (262, 15790), (524, 7895), (655, 6316), (1310, 3158), (1579, 2620)]