38684840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{33349}}^1$

素因数の和:33389

約数の個数: 32

約数和(自身を含む): 90045000

約数和(自身を除く): 51360160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 33349, 66698, 133396, 166745, 266792, 333490, 666980, 967121, 1333960, 1934242, 3868484, 4835605, 7736968, 9671210, 19342420, 38684840]

約数ペア:

[(1, 38684840), (2, 19342420), (4, 9671210), (5, 7736968), (8, 4835605), (10, 3868484), (20, 1934242), (29, 1333960), (40, 967121), (58, 666980), (116, 333490), (145, 266792), (232, 166745), (290, 133396), (580, 66698), (1160, 33349)]