1317369980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{132001}}^1$

素因数の和:132509

約数の個数: 24

約数和(自身を含む): 2772042000

約数和(自身を除く): 1454672020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 132001, 264002, 528004, 660005, 1320010, 2640020, 65868499, 131736998, 263473996, 329342495, 658684990, 1317369980]

約数ペア:

[(1, 1317369980), (2, 658684990), (4, 329342495), (5, 263473996), (10, 131736998), (20, 65868499), (499, 2640020), (998, 1320010), (1996, 660005), (2495, 528004), (4990, 264002), (9980, 132001)]