55144840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72559}}^1$

素因数の和:72589

約数の個数: 32

約数和(自身を含む): 130608000

約数和(自身を除く): 75463160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72559, 145118, 290236, 362795, 580472, 725590, 1378621, 1451180, 2757242, 2902360, 5514484, 6893105, 11028968, 13786210, 27572420, 55144840]

約数ペア:

[(1, 55144840), (2, 27572420), (4, 13786210), (5, 11028968), (8, 6893105), (10, 5514484), (19, 2902360), (20, 2757242), (38, 1451180), (40, 1378621), (76, 725590), (95, 580472), (152, 362795), (190, 290236), (380, 145118), (760, 72559)]