39520480

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 94091760

約数和(自身を除く): 54571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1777, 2224, 2780, 3554, 4448, 5560, 7108, 8885, 11120, 14216, 17770, 22240, 28432, 35540, 56864, 71080, 142160, 247003, 284320, 494006, 988012, 1235015, 1976024, 2470030, 3952048, 4940060, 7904096, 9880120, 19760240, 39520480]

約数ペア:

[(1, 39520480), (2, 19760240), (4, 9880120), (5, 7904096), (8, 4940060), (10, 3952048), (16, 2470030), (20, 1976024), (32, 1235015), (40, 988012), (80, 494006), (139, 284320), (160, 247003), (278, 142160), (556, 71080), (695, 56864), (1112, 35540), (1390, 28432), (1777, 22240), (2224, 17770), (2780, 14216), (3554, 11120), (4448, 8885), (5560, 7108)]