40358792

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 77112000

約数和(自身を除く): 36753208

約数列:

[1, 2, 4, 8, 101, 199, 202, 251, 398, 404, 502, 796, 808, 1004, 1592, 2008, 20099, 25351, 40198, 49949, 50702, 80396, 99898, 101404, 160792, 199796, 202808, 399592, 5044849, 10089698, 20179396, 40358792]

約数ペア:

[(1, 40358792), (2, 20179396), (4, 10089698), (8, 5044849), (101, 399592), (199, 202808), (202, 199796), (251, 160792), (398, 101404), (404, 99898), (502, 80396), (796, 50702), (808, 49949), (1004, 40198), (1592, 25351), (2008, 20099)]