1280636290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6740191}}^1$

素因数の和:6740217

約数の個数: 16

約数和(自身を含む): 2426469120

約数和(自身を除く): 1145832830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 6740191, 13480382, 33700955, 67401910, 128063629, 256127258, 640318145, 1280636290]

約数ペア:

[(1, 1280636290), (2, 640318145), (5, 256127258), (10, 128063629), (19, 67401910), (38, 33700955), (95, 13480382), (190, 6740191)]