39971440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26297}}^1$

素因数の和:26329

約数の個数: 40

約数和(自身を含む): 97828560

約数和(自身を除く): 57857120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26297, 52594, 105188, 131485, 210376, 262970, 420752, 499643, 525940, 999286, 1051880, 1998572, 2103760, 2498215, 3997144, 4996430, 7994288, 9992860, 19985720, 39971440]

約数ペア:

[(1, 39971440), (2, 19985720), (4, 9992860), (5, 7994288), (8, 4996430), (10, 3997144), (16, 2498215), (19, 2103760), (20, 1998572), (38, 1051880), (40, 999286), (76, 525940), (80, 499643), (95, 420752), (152, 262970), (190, 210376), (304, 131485), (380, 105188), (760, 52594), (1520, 26297)]