40415888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{132947}}^1$

素因数の和:132974

約数の個数: 20

約数和(自身を含む): 82427760

約数和(自身を除く): 42011872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 132947, 265894, 531788, 1063576, 2127152, 2525993, 5051986, 10103972, 20207944, 40415888]

約数ペア:

[(1, 40415888), (2, 20207944), (4, 10103972), (8, 5051986), (16, 2525993), (19, 2127152), (38, 1063576), (76, 531788), (152, 265894), (304, 132947)]