2945621720

素因数分解:

$2^3\times 5^1\times {\mathrm{3697}}^1\times {\mathrm{19919}}^1$

素因数の和:23627

約数の個数: 32

約数和(自身を含む): 6629774400

約数和(自身を除く): 3684152680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3697, 7394, 14788, 18485, 19919, 29576, 36970, 39838, 73940, 79676, 99595, 147880, 159352, 199190, 398380, 796760, 73640543, 147281086, 294562172, 368202715, 589124344, 736405430, 1472810860, 2945621720]

約数ペア:

[(1, 2945621720), (2, 1472810860), (4, 736405430), (5, 589124344), (8, 368202715), (10, 294562172), (20, 147281086), (40, 73640543), (3697, 796760), (7394, 398380), (14788, 199190), (18485, 159352), (19919, 147880), (29576, 99595), (36970, 79676), (39838, 73940)]