40912660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21089}}^1$

素因数の和:21195

約数の個数: 24

約数和(自身を含む): 86806440

約数和(自身を除く): 45893780

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 21089, 42178, 84356, 105445, 210890, 421780, 2045633, 4091266, 8182532, 10228165, 20456330, 40912660]

約数ペア:

[(1, 40912660), (2, 20456330), (4, 10228165), (5, 8182532), (10, 4091266), (20, 2045633), (97, 421780), (194, 210890), (388, 105445), (485, 84356), (970, 42178), (1940, 21089)]