40785080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145661}}^1$

素因数の和:145679

約数の個数: 32

約数和(自身を含む): 104876640

約数和(自身を除く): 64091560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145661, 291322, 582644, 728305, 1019627, 1165288, 1456610, 2039254, 2913220, 4078508, 5098135, 5826440, 8157016, 10196270, 20392540, 40785080]

約数ペア:

[(1, 40785080), (2, 20392540), (4, 10196270), (5, 8157016), (7, 5826440), (8, 5098135), (10, 4078508), (14, 2913220), (20, 2039254), (28, 1456610), (35, 1165288), (40, 1019627), (56, 728305), (70, 582644), (140, 291322), (280, 145661)]