51487480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117017}}^1$

素因数の和:117039

約数の個数: 32

約数和(自身を含む): 126379440

約数和(自身を除く): 74891960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117017, 234034, 468068, 585085, 936136, 1170170, 1287187, 2340340, 2574374, 4680680, 5148748, 6435935, 10297496, 12871870, 25743740, 51487480]

約数ペア:

[(1, 51487480), (2, 25743740), (4, 12871870), (5, 10297496), (8, 6435935), (10, 5148748), (11, 4680680), (20, 2574374), (22, 2340340), (40, 1287187), (44, 1170170), (55, 936136), (88, 585085), (110, 468068), (220, 234034), (440, 117017)]