40531408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133327}}^1$

素因数の和:133354

約数の個数: 20

約数和(自身を含む): 82663360

約数和(自身を除く): 42131952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133327, 266654, 533308, 1066616, 2133232, 2533213, 5066426, 10132852, 20265704, 40531408]

約数ペア:

[(1, 40531408), (2, 20265704), (4, 10132852), (8, 5066426), (16, 2533213), (19, 2133232), (38, 1066616), (76, 533308), (152, 266654), (304, 133327)]