40647536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133709}}^1$

素因数の和:133736

約数の個数: 20

約数和(自身を含む): 82900200

約数和(自身を除く): 42252664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133709, 267418, 534836, 1069672, 2139344, 2540471, 5080942, 10161884, 20323768, 40647536]

約数ペア:

[(1, 40647536), (2, 20323768), (4, 10161884), (8, 5080942), (16, 2540471), (19, 2139344), (38, 1069672), (76, 534836), (152, 267418), (304, 133709)]