40581872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133493}}^1$

素因数の和:133520

約数の個数: 20

約数和(自身を含む): 82766280

約数和(自身を除く): 42184408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133493, 266986, 533972, 1067944, 2135888, 2536367, 5072734, 10145468, 20290936, 40581872]

約数ペア:

[(1, 40581872), (2, 20290936), (4, 10145468), (8, 5072734), (16, 2536367), (19, 2135888), (38, 1067944), (76, 533972), (152, 266986), (304, 133493)]