54189560

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1289}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 122137200

約数和(自身を除く): 67947640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1289, 2102, 2578, 4204, 5156, 5255, 6445, 8408, 10312, 10510, 12890, 21020, 25780, 42040, 51560, 1354739, 2709478, 5418956, 6773695, 10837912, 13547390, 27094780, 54189560]

約数ペア:

[(1, 54189560), (2, 27094780), (4, 13547390), (5, 10837912), (8, 6773695), (10, 5418956), (20, 2709478), (40, 1354739), (1051, 51560), (1289, 42040), (2102, 25780), (2578, 21020), (4204, 12890), (5156, 10510), (5255, 10312), (6445, 8408)]