27120790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 51660000

約数和(自身を除く): 24539210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 409, 698, 818, 1745, 2045, 3490, 4090, 6631, 7771, 13262, 15542, 33155, 38855, 66310, 77710, 142741, 285482, 713705, 1427410, 2712079, 5424158, 13560395, 27120790]

約数ペア:

[(1, 27120790), (2, 13560395), (5, 5424158), (10, 2712079), (19, 1427410), (38, 713705), (95, 285482), (190, 142741), (349, 77710), (409, 66310), (698, 38855), (818, 33155), (1745, 15542), (2045, 13262), (3490, 7771), (4090, 6631)]