54817220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13913}}^1$

素因数の和:14119

約数の個数: 24

約数和(自身を含む): 115708824

約数和(自身を除く): 60891604

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 13913, 27826, 55652, 69565, 139130, 278260, 2740861, 5481722, 10963444, 13704305, 27408610, 54817220]

約数ペア:

[(1, 54817220), (2, 27408610), (4, 13704305), (5, 10963444), (10, 5481722), (20, 2740861), (197, 278260), (394, 139130), (788, 69565), (985, 55652), (1970, 27826), (3940, 13913)]