38290040

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2221}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 86391360

約数和(自身を除く): 48101320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 2221, 3448, 4310, 4442, 8620, 8884, 11105, 17240, 17768, 22210, 44420, 88840, 957251, 1914502, 3829004, 4786255, 7658008, 9572510, 19145020, 38290040]

約数ペア:

[(1, 38290040), (2, 19145020), (4, 9572510), (5, 7658008), (8, 4786255), (10, 3829004), (20, 1914502), (40, 957251), (431, 88840), (862, 44420), (1724, 22210), (2155, 17768), (2221, 17240), (3448, 11105), (4310, 8884), (4442, 8620)]