39481240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51949}}^1$

素因数の和:51979

約数の個数: 32

約数和(自身を含む): 93510000

約数和(自身を除く): 54028760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 51949, 103898, 207796, 259745, 415592, 519490, 987031, 1038980, 1974062, 2077960, 3948124, 4935155, 7896248, 9870310, 19740620, 39481240]

約数ペア:

[(1, 39481240), (2, 19740620), (4, 9870310), (5, 7896248), (8, 4935155), (10, 3948124), (19, 2077960), (20, 1974062), (38, 1038980), (40, 987031), (76, 519490), (95, 415592), (152, 259745), (190, 207796), (380, 103898), (760, 51949)]