2912497940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13238627}}^1$

素因数の和:13238647

約数の個数: 24

約数和(自身を含む): 6672268512

約数和(自身を除く): 3759770572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 13238627, 26477254, 52954508, 66193135, 132386270, 145624897, 264772540, 291249794, 582499588, 728124485, 1456248970, 2912497940]

約数ペア:

[(1, 2912497940), (2, 1456248970), (4, 728124485), (5, 582499588), (10, 291249794), (11, 264772540), (20, 145624897), (22, 132386270), (44, 66193135), (55, 52954508), (110, 26477254), (220, 13238627)]