1640341940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2000417}}^1$

素因数の和:2000467

約数の個数: 24

約数和(自身を含む): 3528737352

約数和(自身を除く): 1888395412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2000417, 4000834, 8001668, 10002085, 20004170, 40008340, 82017097, 164034194, 328068388, 410085485, 820170970, 1640341940]

約数ペア:

[(1, 1640341940), (2, 820170970), (4, 410085485), (5, 328068388), (10, 164034194), (20, 82017097), (41, 40008340), (82, 20004170), (164, 10002085), (205, 8001668), (410, 4000834), (820, 2000417)]