39945904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1429

約数の個数: 40

約数和(自身を含む): 82338480

約数和(自身を除く): 42392576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1301, 1616, 1919, 2602, 3838, 5204, 7676, 10408, 15352, 20816, 24719, 30704, 49438, 98876, 131401, 197752, 262802, 395504, 525604, 1051208, 2102416, 2496619, 4993238, 9986476, 19972952, 39945904]

約数ペア:

[(1, 39945904), (2, 19972952), (4, 9986476), (8, 4993238), (16, 2496619), (19, 2102416), (38, 1051208), (76, 525604), (101, 395504), (152, 262802), (202, 197752), (304, 131401), (404, 98876), (808, 49438), (1301, 30704), (1616, 24719), (1919, 20816), (2602, 15352), (3838, 10408), (5204, 7676)]