39638864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1291}}^1$

素因数の和:1419

約数の個数: 40

約数和(自身を含む): 81706080

約数和(自身を除く): 42067216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1291, 1616, 1919, 2582, 3838, 5164, 7676, 10328, 15352, 20656, 24529, 30704, 49058, 98116, 130391, 196232, 260782, 392464, 521564, 1043128, 2086256, 2477429, 4954858, 9909716, 19819432, 39638864]

約数ペア:

[(1, 39638864), (2, 19819432), (4, 9909716), (8, 4954858), (16, 2477429), (19, 2086256), (38, 1043128), (76, 521564), (101, 392464), (152, 260782), (202, 196232), (304, 130391), (404, 98116), (808, 49058), (1291, 30704), (1616, 24529), (1919, 20656), (2582, 15352), (3838, 10328), (5164, 7676)]