12880460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28001}}^1$

素因数の和:28033

約数の個数: 24

約数和(自身を含む): 28226016

約数和(自身を除く): 15345556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 28001, 56002, 112004, 140005, 280010, 560020, 644023, 1288046, 2576092, 3220115, 6440230, 12880460]

約数ペア:

[(1, 12880460), (2, 6440230), (4, 3220115), (5, 2576092), (10, 1288046), (20, 644023), (23, 560020), (46, 280010), (92, 140005), (115, 112004), (230, 56002), (460, 28001)]