39409990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6691}}^1$

素因数の和:6748

約数の個数: 32

約数和(自身を含む): 77091840

約数和(自身を除く): 37681850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 6691, 13382, 33455, 66910, 127129, 207421, 254258, 414842, 635645, 1037105, 1271290, 2074210, 3940999, 7881998, 19704995, 39409990]

約数ペア:

[(1, 39409990), (2, 19704995), (5, 7881998), (10, 3940999), (19, 2074210), (31, 1271290), (38, 1037105), (62, 635645), (95, 414842), (155, 254258), (190, 207421), (310, 127129), (589, 66910), (1178, 33455), (2945, 13382), (5890, 6691)]