40391888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 81453120

約数和(自身を除く): 41061232

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 536, 656, 919, 1072, 1838, 2747, 3676, 5494, 7352, 10988, 14704, 21976, 37679, 43952, 61573, 75358, 123146, 150716, 246292, 301432, 492584, 602864, 985168, 2524493, 5048986, 10097972, 20195944, 40391888]

約数ペア:

[(1, 40391888), (2, 20195944), (4, 10097972), (8, 5048986), (16, 2524493), (41, 985168), (67, 602864), (82, 492584), (134, 301432), (164, 246292), (268, 150716), (328, 123146), (536, 75358), (656, 61573), (919, 43952), (1072, 37679), (1838, 21976), (2747, 14704), (3676, 10988), (5494, 7352)]